ListTalk Base Environment

*

Kind

primitive

Binding

constant

Lambda list

(:rest n)

Return product of numeric arguments.

+

Kind

primitive

Binding

constant

Lambda list

(:rest n)

Return sum of numeric arguments.

-

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Negate one value or subtract remaining values from first.

/

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Divide first value by remaining values.

1+

Kind

primitive

Binding

constant

Lambda list

(x)

Return argument increased by one

1-

Kind

primitive

Binding

constant

Lambda list

(x)

Return argument decreased by one

<

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return true when numeric arguments are in strictly ascending order.

<=

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return true when numeric arguments are in non-descending order.

=

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return true when all numeric arguments are equal.

>

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return true when numeric arguments are in strictly descending order.

>=

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return true when numeric arguments are in non-ascending order.

AbsolutePathname

Kind

class

Binding

constant

Normalized absolute filesystem pathname.

Direct methods

• rootedAt: root

  Interpret the absolute pathname relative to root.

Direct class methods

• fromString: string

  Create an absolute pathname, adding a leading slash when absent.

AsconRNG

Kind

class

Binding

constant

Cryptographically secure Ascon-XOF128 random number generator.

Direct methods

• bytes: length

  Return a bytevector with length cryptographically strong random bytes.

Direct class methods

• fromByteVector: seed

  Return an Ascon-XOF128 random number generator initialized from 32 seed bytes.

• random

  Return an Ascon-XOF128 random number generator initialized from system entropy.

BigInteger

Kind

class

Binding

constant

Arbitrary-precision exact integer value.

Direct methods

None.

Direct class methods

None.

BindingDescriptor

Kind

class

Binding

constant

Immutable description of an environment binding.

Direct methods

• < other

  Return true when receiver sorts before other by symbol.

• <= other

  Return true when receiver sorts before or equal to other by symbol.

• > other

  Return true when receiver sorts after other by symbol.

• >= other

  Return true when receiver sorts after or equal to other by symbol.

• compareWith: other

  Compare binding descriptors by symbol.

• constant?

  Return true when binding is constant.

• flags

  Return binding flags.

• symbol

  Return binding symbol.

• value

  Return binding value.

Direct class methods

None.

BitVector

Kind

class

Binding

constant

Mutable indexed sequence of bits.

Direct methods

• all?

  Query the receiver bits.

• and: other

  Return the bitwise conjunction with another BitVector.

• any?

  Query the receiver bits.

• append: other

  Return the concatenation of receiver and another BitVector.

• asBEByteVector

  Return the bits packed into big-endian bytes.

• asIterator

  Return an iterator over the bits as Booleans.

• asLEByteVector

  Return the bits packed into little-endian bytes.

• asList

  Return the bits as a list of Booleans in index order.

• asSignedInteger

  Return the bits interpreted as a two's-complement integer.

• asUnsignedInteger

  Return the bits interpreted as an unsigned integer.

• at: index

  Return the bit at index as a Boolean.

• at: index length: length

  Return a copy of a range of bits.

• at: index put: value

  Put a bit or all bits of a BitVector starting at index and return value.

• choose: whenTrue or: whenFalse

  Select bits from the first or second BitVector according to receiver.

• combineWith: other using: combination

  Combine BitVectors using a four-entry table, 4-bit integer, or function.

• firstSetBit

  Return the first set-bit index, or nil.

• length

  Return the number of bits.

• nextSetBitAfter: index

  Return the next set-bit index strictly after index, or nil.

• none?

  Query the receiver bits.

• not

  Return a BitVector with every bit inverted.

• or: other

  Return the bitwise disjunction with another BitVector.

• popCount

  Return the number of set bits.

• rank: index

  Return the number of set bits before index.

• resize: length filled: fill

  Return a resized copy, filling newly added bits with fill.

• reverse

  Return a BitVector with reversed index order.

• rotateLeft: amount

  Return a left-rotated BitVector.

• rotateRight: amount

  Return a right-rotated BitVector.

• select: ordinal

  Return the index of the zero-based ordinal set bit, or nil.

• shiftLeft: amount

  Return a logically shifted BitVector.

• shiftRight: amount

  Return a logically shifted BitVector.

• xor: other

  Return the bitwise exclusive disjunction with another BitVector.

Direct class methods

• fromBEByteVector: bytevector

  Return a bit vector decoded from big-endian bytes.

• fromInteger: integer size: size

  Return an exact-size two's-complement bit vector.

• fromLEByteVector: bytevector

  Return a bit vector decoded from little-endian bytes.

• fromList: list

  Return a bit vector whose index order matches the list.

• fromUnsignedInteger: integer

  Return the shortest bit vector representing a non-negative integer.

• fromUnsignedInteger: integer size: size

  Return an exact-size bit vector representing a non-negative integer.

• new: size

  Return a new false-filled bit vector of the requested size.

• new: size filled: fill

  Return a new bit vector of the requested size and fill value.

BitVectorIterator

Kind

class

Binding

constant

Iterator over bit vector elements.

Direct methods

• hasThis?

  Return true when the iterator has a current bit.

• next!

  Advance the iterator and return receiver.

• this

  Return the current bit as a Boolean.

Direct class methods

None.

Boolean

Kind

class

Binding

constant

Truth values #true and #false.

Direct methods

• and: block

  Return the receiver, or call block when the receiver is truthy.

• ifFalse: falseBlock

  Call falseBlock when the receiver is falsey.

• ifFalse: falseBlock ifTrue: trueBlock

  Call falseBlock when falsey, otherwise call trueBlock.

• ifTrue: trueBlock

  Call trueBlock when the receiver is truthy.

• ifTrue: trueBlock ifFalse: falseBlock

  Call trueBlock when truthy, otherwise call falseBlock.

• or: block

  Return the receiver, or call block when the receiver is falsey.

Direct class methods

None.

ByteVector

Kind

class

Binding

constant

Mutable indexed sequence of bytes.

Direct methods

• < other

  Return true when receiver is lexicographically less than argument.

• <= other

  Return true when receiver is lexicographically less than or equal to argument.

• > other

  Return true when receiver is lexicographically greater than argument.

• >= other

  Return true when receiver is lexicographically greater than or equal to argument.

• BES16at: index

  Read a fixed-width integer at index.

• BES16at: index put: value

  Write a fixed-width integer at index and return it.

• BES32at: index

  Read a fixed-width integer at index.

• BES32at: index put: value

  Write a fixed-width integer at index and return it.

• BES64at: index

  Read a fixed-width integer at index.

• BES64at: index put: value

  Write a fixed-width integer at index and return it.

• BEU16at: index

  Read a fixed-width integer at index.

• BEU16at: index put: value

  Write a fixed-width integer at index and return it.

• BEU32at: index

  Read a fixed-width integer at index.

• BEU32at: index put: value

  Write a fixed-width integer at index and return it.

• BEU64at: index

  Read a fixed-width integer at index.

• BEU64at: index put: value

  Write a fixed-width integer at index and return it.

• LES16at: index

  Read a fixed-width integer at index.

• LES16at: index put: value

  Write a fixed-width integer at index and return it.

• LES32at: index

  Read a fixed-width integer at index.

• LES32at: index put: value

  Write a fixed-width integer at index and return it.

• LES64at: index

  Read a fixed-width integer at index.

• LES64at: index put: value

  Write a fixed-width integer at index and return it.

• LEU16at: index

  Read a fixed-width integer at index.

• LEU16at: index put: value

  Write a fixed-width integer at index and return it.

• LEU32at: index

  Read a fixed-width integer at index.

• LEU32at: index put: value

  Write a fixed-width integer at index and return it.

• LEU64at: index

  Read a fixed-width integer at index.

• LEU64at: index put: value

  Write a fixed-width integer at index and return it.

• append: other

  Return a new bytevector with other appended.

• asBase16

  Return an uppercase hexadecimal string encoding the receiver bytes.

• asBase64

  Return a base64 string encoding the receiver bytes.

• asBase64URI

  Return a URI-safe base64 string encoding the receiver bytes.

• asBase64URIWithPadding: include_padding

  Return a URI-safe base64 string, optionally omitting padding.

• asBase64WithPadding: include_padding

  Return a base64 string, optionally omitting padding.

• asIterator

  Return an iterator over bytevector bytes.

• asList

  Return bytevector bytes as a list of unsigned fixnums.

• asPortableFilename

  Encode the receiver bytes into a POSIX portable filename string (A–Z, a–z, 0–9, '.', '-', '_'), escaping '_' as '__' and other bytes as _HH.

• asString

  Return a string decoded from this bytevector.

• at: index

  Return byte at index as an unsigned fixnum.

• at: index put: value

  Set byte at index, or copy a bytevector there, and return value.

• compareWith: other

  Return -1, 0, or 1 when receiver is lexicographically less than, equal to, or greater than argument.

• copyFrom: from length: length to: to

  Copy bytes within the receiver and return the receiver.

• from: from to: to

  Return a bytevector slice using half-open byte indexes.

• hex

  Return a lowercase hexadecimal string encoding the receiver bytes.

• length

  Return bytevector length in bytes.

• splitLines

  Return bytevector lines without line terminators.

• writeToFile: filename

  Write bytevector to a file atomically and return filename.

Direct class methods

• fromFile: filename

  Return file contents as a bytevector.

• fromPortableFilename: filename

  Decode a portable filename string into its original bytes.

• random: length

  Return a bytevector with cryptographically strong random bytes.

ByteVectorBuilder

Kind

class

Binding

constant

Builder backed by a growable byte buffer.

Direct methods

• append: value

  Append a bytevector, character, or byte and return the receiver.

• value

  Return a fresh bytevector containing the accumulated bytes.

Direct class methods

• new

  Return a new empty bytevector builder.

ByteVectorIterator

Kind

class

Binding

constant

Iterator over bytevector bytes.

Direct methods

• hasThis?

  Return true when the iterator has a current byte.

• next!

  Advance the iterator and return receiver.

• this

  Return the current byte as an unsigned fixnum.

Direct class methods

None.

Character

Kind

class

Binding

constant

Unicode scalar character value.

Direct methods

• < other

  Return true when receiver's code point is less than the argument's.

• <= other

  Return true when receiver's code point is less than or equal to the argument's.

• > other

  Return true when receiver's code point is greater than the argument's.

• >= other

  Return true when receiver's code point is greater than or equal to the argument's.

• alphabetic?

  Return true for a Unicode letter.

• asCodepoint

  Return the Unicode code point of receiver.

• asString

  Return receiver encoded as a one-character UTF-8 string.

• category

  Return the two-letter Unicode general category.

• compareWith: other

  Return -1, 0, or 1 when receiver's code point is less than, equal to, or greater than the argument's.

• decimal?

  Return true for a Unicode decimal digit.

• lower

  Return the Unicode simple lowercase mapping.

• lowerCase

  Return the Unicode simple lowercase mapping.

• lowerCase?

  Return true for a lowercase Unicode letter.

• mark?

  Return true for a Unicode combining mark.

• numeric?

  Return true for a Unicode number.

• title

  Return the Unicode simple titlecase mapping.

• titleCase

  Return the Unicode simple titlecase mapping.

• upper

  Return the Unicode simple uppercase mapping.

• upperCase

  Return the Unicode simple uppercase mapping.

• upperCase?

  Return true for an uppercase Unicode letter.

• whitespace?

  Return true for Unicode whitespace.

• width

  Return display width measured with wcwidth.

Direct class methods

• fromCodepoint: codepoint

  Return the Character for a Unicode scalar value.

Class

Kind

class

Binding

constant

Runtime representation of classes and metaclasses.

Direct methods

• >> selector

  Return direct method for selector or nil.

• addMethod: method withSelector: selector

  Add direct method for selector.

• allMethodsAsList

  Return most-specific direct and inherited method descriptors as a list.

• allMethodsDo: callable

  Call callable for each most-specific method descriptor.

• allSelectors

  Return direct and inherited method selectors.

• allSelectorsAsList

  Return direct and inherited method selectors as a list.

• alloc

  Allocate empty instance for allocatable class.

• documentation

  Return class documentation.

• inspection

  Return an inspection whose contents are direct methods.

• lookupSelector: selector

  Return resolved method for selector or nil.

• methodsAsList

  Return direct method descriptors as a list.

• methodsDo: callable

  Call callable for each direct method descriptor.

• precedenceList

  Return class precedence list.

• selectors

  Return direct method selectors.

• selectorsAsList

  Return direct method selectors as a list.

• slots

  Return class slot names.

Direct class methods

None.

Closure

Kind

class

Binding

constant

Callable function object with captured environment.

Direct methods

• arguments

  Return closure parameter list.

• documentation

  Return closure documentation.

• name

  Return the closure name.

Direct class methods

None.

ComplexNumber

Kind

class

Binding

constant

Abstract root for complex numeric values.

Direct methods

• imaginary

  Return receiver's imaginary component. Subclasses must implement this method.

• real

  Return receiver's real component. Subclasses must implement this method.

Direct class methods

None.

CompoundForm

Kind

class

Binding

constant

Abstract root for compound syntactic and callable forms.

Direct methods

• arguments

  Return compound form argument documentation. Subclasses must implement this method.

• documentation

  Return compound form documentation. Subclasses must implement this method.

• name

  Return the compound form name. Subclasses must implement this method.

Direct class methods

None.

Condition

Kind

class

Binding

constant

Base class for signaled conditions.

Direct methods

None.

Direct class methods

None.

ConditionVariable

Kind

class

Binding

constant

Condition variable associated with a mutex while waiting.

Direct methods

• broadcast

  Wake all threads waiting on condition variable and return receiver.

• name

  Return condition variable name, or nil when it has none.

• signal

  Wake one thread waiting on condition variable and return receiver.

• wait: mutex

  Release mutex, wait for notification, reacquire mutex, and return receiver.

Direct class methods

• new

  Return a new condition variable.

• new: name

  Return a new named condition variable.

DateTime

Kind

class

Binding

constant

Calendar date and wall-clock time.

Direct methods

• asISO8601

  Return receiver formatted as ISO8601 text. Subclasses must implement this method.

• asISO8601WithSeparator: separator

  Return receiver formatted as ISO8601 text with separator. Subclasses must implement this method.

• asInstant

  Return receiver converted to an Instant. Subclasses must implement this method.

• day

  Return date-time day. Subclasses must implement this method.

• hour

  Return date-time hour. Subclasses must implement this method.

• microsecond

  Return date-time microsecond. Subclasses must implement this method.

• minute

  Return date-time minute. Subclasses must implement this method.

• month

  Return date-time month. Subclasses must implement this method.

• second

  Return date-time second. Subclasses must implement this method.

• year

  Return date-time year. Subclasses must implement this method.

Direct class methods

None.

Dictionary

Kind

class

Binding

constant

Mutable mapping from keys to values.

Direct methods

• at: key put: value

  Set value for key and return value.

• remove: key

  Remove key and return its value, or nil when key is absent.

Direct class methods

• new

  Return a new empty dictionary.

• newFromAList: alist

  Return a dictionary initialized from an association list.

DictionaryIterator

Kind

class

Binding

constant

Iterator over dictionary associations.

Direct methods

• hasThis?

  Return true when the iterator has a current association.

• next!

  Advance the iterator and return receiver.

• this

  Return the current association.

Direct class methods

None.

DigestSHA256

Kind

class

Binding

constant

SHA-256 message digest.

Direct methods

• finish

  Finish SHA-256 digest computation and return digest bytes.

• update: bytes

  Update SHA-256 digest state with bytes and return receiver.

Direct class methods

• digest: bytes

  Return SHA-256 digest of bytes as a bytevector.

• new

  Return a new incremental SHA-256 message digest.

Duration

Kind

class

Binding

constant

Signed span of time.

Direct methods

• + duration-or-instant

  Add a duration or advance an instant by receiver.

• - other

  Return difference of receiver and another duration.

• addDuration: other

  Return sum of receiver and another duration.

• asMicroseconds

  Return receiver as microseconds.

• asSeconds

  Return receiver as seconds.

• sleep

  Sleep for receiver.

• substractDuration: other

  Return difference of receiver and another duration.

Direct class methods

• fromMicroseconds: microseconds

  Return a duration from microseconds.

• fromSeconds: seconds

  Return a duration from seconds.

DynamicVariable

Kind

class

Binding

constant

Dynamically scoped variable binding.

Direct methods

• value

  Return the current dynamic value or the default value.

• value: value

  Set the current thread dynamic value.

Direct class methods

• new: defaultValue

  Create a dynamic variable with default value.

EmptyIterator

Kind

class

Binding

constant

Singleton iterator with no current value.

Direct methods

• hasThis?

  Return false.

• next!

  Return receiver.

• this

  Signal that an empty iterator has no current value.

Direct class methods

None.

Environment

Kind

class

Binding

constant

Mapping from names to values during evaluation.

Direct methods

• at: symbol

  Return symbol value, or nil when symbol is unbound.

• at: symbol put: value

  Bind symbol to value in this environment and return value.

• at: symbol putConstant: value

  Bind symbol to a constant value in this environment and return value.

• bindingsAsList

  Return direct binding reflections as a list.

• bindingsDo: callable

  Call callable for each direct binding reflection.

• constant?: symbol

  Return true when symbol resolves to a constant binding.

• contains?: symbol

  Return true when symbol is bound in this environment or its parents.

• inspection

  Return an inspection whose contents are direct bindings.

Direct class methods

• new

  Return a new empty environment.

• newBase

  Return a new base environment.

• newWithParent: parent

  Return a new environment with parent.

• sharedBase

  Return the shared base environment.

Error

Kind

class

Binding

constant

Fatal condition reported to handlers.

Direct methods

None.

Direct class methods

None.

ExactComplexNumber

Kind

class

Binding

constant

Complex number with exact real and imaginary parts.

Direct methods

• imaginary

  Return receiver's imaginary component.

• real

  Return receiver's real component.

Direct class methods

None.

FileStream

Kind

class

Binding

constant

Stream backed by a file descriptor.

Direct methods

• close

  Close stream.

• flush

  Flush buffered stream data.

• isClosed

  Return true when file stream is closed.

• isReadable

  Return true when file stream supports reading.

• isWritable

  Return true when file stream supports writing.

• readByte

  Read one byte as an unsigned fixnum, or nil at EOF.

• readByteVector

  Read remaining stream bytes into a bytevector.

• readBytes: length

  Read up to length bytes.

• readLine

  Read a line without its line terminator.

• readString

  Read remaining stream bytes as UTF-8 text with normalized line endings.

• seek: offset

  Seek from current stream position.

• seekFromEnd: offset

  Seek from end of stream.

• seekFromStart: offset

  Seek from start of stream.

• writeByte: byte

  Write one byte.

• writeByteVector: bytevector

  Write bytevector bytes.

• writeCharacter: character

  Write one character as UTF-8.

• writeLn

  Write a line feed byte.

• writeString: string

  Write string UTF-8 bytes.

Direct class methods

• new: filename

  Open a file stream.

• newForAppending: filename

  Open a file stream.

• newForInput: filename

  Open a file stream.

• newForOutput: filename

  Open a file stream.

FilterIterator

Kind

class

Binding

constant

Lazy iterator selecting values accepted by a callable.

Direct methods

• hasThis?

  Return true when a matching value remains.

• next!

  Advance to the next matching value and return receiver.

• this

  Return the current matching value.

Direct class methods

• filter: iterator with: callable

  Return a lazy iterator filtering iterator with callable.

Float

Kind

class

Binding

constant

Inexact floating-point real number.

Direct methods

None.

Direct class methods

None.

Fraction

Kind

class

Binding

constant

Exact rational number with arbitrary-precision parts.

Direct methods

None.

Direct class methods

None.

Function

Kind

class

Binding

constant

Abstract root for callable functions.

Direct methods

• value

  Call the function with no arguments.

• value: first

  Call the function with one argument.

• value: first value: second

  Call the function with two arguments.

• value: first value: second value: third

  Call the function with three arguments.

• valueWithArguments: arguments

  Call the function with an argument list.

• whileFalse

  Call the receiver while it returns a falsey value.

• whileFalse: body

  Call body while the receiver returns a falsey value.

• whileTrue

  Call the receiver while it returns a truthy value.

• whileTrue: body

  Call body while the receiver returns a truthy value.

Direct class methods

None.

Future

Kind

class

Binding

constant

Abstract root for values that may be resolved later.

Direct methods

• force!

  Resolve the future if needed and return its value. Subclasses must implement this method.

• hasValue?

  Return true when the future has a value. Subclasses must implement this method.

• resolved?

  Return true when the future is resolved. Subclasses must implement this method.

• value

  Return the future's value. Subclasses must implement this method.

Direct class methods

None.

IdentityDictionary

Kind

class

Binding

constant

Dictionary whose keys are compared by identity.

Direct methods

• asAList

  Return dictionary entries as an association list.

• asIterator

  Return an iterator over dictionary associations.

• at: key

  Return value for key, or nil when key is absent.

• at: key put: value

  Set value for key and return value.

• contains?: key

  Return true when dictionary contains key.

• forEach: callable

  Apply callable to each key and value, and return nil.

• map: callable

  Return list of callable results for each key and value.

• remove: key

  Remove key and return its value, or nil when key is absent.

• size

  Return dictionary size.

Direct class methods

• new

  Return a new empty identity dictionary.

• newFromAList: alist

  Return an identity dictionary initialized from an association list.

IdentityDictionaryIterator

Kind

class

Binding

constant

Iterator over identity dictionary associations.

Direct methods

• hasThis?

  Return true when the iterator has a current association.

• next!

  Advance the iterator and return receiver.

• this

  Return the current association.

Direct class methods

None.

IdentitySet

Kind

class

Binding

constant

Set of unique values compared by identity.

Direct methods

None.

Direct class methods

• fromList: list

  Return an identity set containing the unique identities of list.

• new

  Return a new empty identity set.

ImmutableDictionary

Kind

class

Binding

constant

Immutable mapping from keys to values.

Direct methods

• asAList

  Return dictionary entries as an association list.

• asIterator

  Return an iterator over dictionary associations.

• at: key

  Return value for key, or nil when key is absent.

• contains?: key

  Return true when dictionary contains key.

• forEach: callable

  Apply callable to each key and value, and return nil.

• map: callable

  Return list of callable results for each key and value.

• size

  Return dictionary size.

Direct class methods

• new

  Return a new empty immutable dictionary.

• newFromAList: alist

  Return an immutable dictionary initialized from an association list.

ImmutableList

Kind

class

Binding

constant

Immutable linked list node.

Direct methods

• car

  Return immutable list car.

• cdr

  Return immutable list cdr.

Direct class methods

• fromList: list

  Return an immutable list copy of list.

IncompleteInputSyntaxError

Kind

class

Binding

constant

Reader error for syntactically incomplete input.

Direct methods

None.

Direct class methods

None.

InexactComplexNumber

Kind

class

Binding

constant

Complex number with inexact real and imaginary parts.

Direct methods

• imaginary

  Return receiver's imaginary component.

• real

  Return receiver's real component.

Direct class methods

None.

Instant

Kind

class

Binding

constant

Absolute point in time.

Direct methods

• + duration

  Return receiver advanced by duration.

• - duration-or-instant

  Subtract a duration or return duration since another instant.

• afterDuration: duration

  Return receiver advanced by duration.

• asMicroseconds

  Return receiver as UTC microseconds since the Unix epoch.

• asSeconds

  Return receiver as UTC seconds since the Unix epoch.

• beforeDuration: duration

  Return receiver moved backward by duration.

• durationSince: other

  Return duration from other instant to receiver.

• durationUntil: other

  Return duration from receiver to other instant.

• sleepUntil

  Sleep until receiver.

Direct class methods

• fromMicroseconds: microseconds

  Return an instant from UTC microseconds since the Unix epoch.

• fromSeconds: seconds

  Return an instant from UTC seconds since the Unix epoch.

• now

  Return the current instant.

Integer

Kind

class

Binding

constant

Abstract root for exact integer values.

Direct methods

• timesDo: callable

  Call callable with each integer index from zero up to receiver.

• toBytes

  Return the shortest big-endian unsigned byte representation of receiver.

• toBytes: byte-count

  Return a big-endian unsigned byte representation with byte-count bytes.

• toTwosComplement

  Return the shortest big-endian two's-complement byte representation of receiver.

• toTwosComplement: byte-count

  Return a big-endian two's-complement byte representation with byte-count bytes.

Direct class methods

• fromBytes: bytevector

  Return an integer decoded from big-endian unsigned bytes.

• fromTwosComplement: bytevector

  Return an integer decoded from big-endian two's-complement bytes.

InvocationContextKind

Kind

class

Binding

constant

Kind tag for invocation context records.

Direct methods

None.

Direct class methods

None.

Iterator

Kind

class

Binding

constant

Abstract root for mutable iterators.

Direct methods

• any: callable

  Consume receiver until callable returns truthy or it is exhausted.

• asIterator

  Return receiver.

• asList

  Consume iterator and return remaining values as a list.

• do: callable

  Consume receiver, applying callable to each value, and return nil.

• every: callable

  Consume receiver until callable returns falsey or it is exhausted.

• filter: callable

  Return a lazy iterator selecting values for which callable is truthy.

• forEach: callable

  Consume receiver, applying callable to each value, and return nil.

• hasThis?

  Return true when the iterator has a current value. Subclasses must implement this method.

• inject: initial into: callable

  Consume receiver, folding values from the left.

• map: callable

  Return a lazy iterator mapping callable over receiver.

• next!

  Advance the iterator. Subclasses must implement this method.

• reduce: callable

  Consume receiver, reducing values from the left.

• this

  Return the current value of the iterator. Subclasses must implement this method.

Direct class methods

None.

KeyboardInterrupt

Kind

class

Binding

constant

Error signaled when keyboard interrupt is requested.

Direct methods

None.

Direct class methods

None.

List

Kind

class

Binding

constant

Abstract root for linked list values.

Direct methods

• any: callable

  Return true when callable returns truthy for any element.

• asIterator

  Return an iterator over receiver.

• asList

  Return receiver.

• asVector

  Return list elements as a vector.

• at: index

  Return list item at index.

• every: callable

  Return true when callable returns truthy for every element.

• filter: callable

  Return elements for which callable returns truthy.

• forEach: callable

  Apply callable to each element and return nil.

• inject: initial into: callable

  Fold list from the left with initial value and callable.

• inspection

  Return an inspection whose contents are the list elements.

• length

  Return list length.

• map: callable

  Return list of callable results for each element.

• reduce: callable

  Reduce list from the left with callable.

• sort

  Return a fresh list sorted with element compareWith:.

• sortUsing: callable

  Return a fresh list sorted with a two-argument comparator.

Direct class methods

None.

ListIterator

Kind

class

Binding

constant

Iterator over proper list elements.

Direct methods

• hasThis?

  Return true when the iterator has a current value.

• next!

  Advance the iterator and return receiver.

• this

  Return the current value of the iterator.

Direct class methods

None.

Macro

Kind

class

Binding

constant

Source transformation invoked during evaluation.

Direct methods

• arguments

  Return argument list of the macro callable.

• documentation

  Return documentation of the macro callable.

• name

  Return the wrapped callable's name.

Direct class methods

None.

MapIterator

Kind

class

Binding

constant

Lazy iterator mapping a callable over another iterator.

Direct methods

• hasThis?

  Return true when the wrapped iterator has a current value.

• next!

  Advance the wrapped iterator and return receiver.

• this

  Return callable applied to wrapped iterator current value.

Direct class methods

• map: iterator with: callable

  Return a lazy iterator mapping callable over iterator.

Message

Kind

class

Binding

constant

Object message selector and arguments.

Direct methods

• arguments

  Return message arguments.

• receiver

  Return message receiver.

• selector

  Return message selector.

• sendTo: receiver

  Send message to receiver.

Direct class methods

None.

MessageDigest

Kind

class

Binding

constant

Abstract root for incremental message digests.

Direct methods

• finish

  Finish digest computation and return digest bytes. Subclasses must implement this method.

• update: bytes

  Update digest state with bytes and return receiver. Subclasses must implement this method.

Direct class methods

None.

MessageQueue

Kind

class

Binding

constant

Fixed-size blocking queue of object values.

Direct methods

• capacity

  Return message queue capacity.

• empty?

  Return true when queue contains no messages.

• full?

  Return true when queue cannot accept another message without blocking.

• get

  Get next value from queue, blocking while queue is empty.

• name

  Return message queue name, or nil when it has none.

• put: value

  Put value into queue, blocking while queue is full, and return receiver.

• size

  Return number of messages currently in queue.

• tryGet

  Try to get next value from queue, or nil when queue is empty.

• tryPut: value

  Try to put value into queue and return whether it was enqueued.

Direct class methods

• new: capacity

  Return a new message queue with fixed capacity.

• new: capacity named: name

  Return a new named message queue with fixed capacity.

MethodDescriptor

Kind

class

Binding

constant

Immutable description of a class method.

Direct methods

• < other

  Return true when receiver sorts before other by selector.

• <= other

  Return true when receiver sorts before or equal to other by selector.

• > other

  Return true when receiver sorts after other by selector.

• >= other

  Return true when receiver sorts after or equal to other by selector.

• callable

  Return method callable.

• compareWith: other

  Compare method descriptors by selector.

• implementing-class

  Return class that directly implements the method.

• selector

  Return method selector.

Direct class methods

None.

MutablePair

Kind

class

Binding

constant

Mutable cons pair containing car and cdr.

Direct methods

• car: value

  Set pair car.

• cdr: value

  Set pair cdr.

Direct class methods

None.

Mutex

Kind

class

Binding

constant

Mutual exclusion lock.

Direct methods

• do: callable

  Lock mutex, call callable, unlock mutex, and return callable result.

• lock

  Lock mutex and return receiver.

• name

  Return mutex name, or nil when it has none.

• tryLock

  Try to lock mutex and return whether it was acquired.

• unlock

  Unlock mutex and return receiver.

Direct class methods

• new

  Return a new mutex.

• new: name

  Return a new named mutex.

Nil

Kind

class

Binding

constant

The distinguished empty-list and falsey nil value.

Direct methods

• asIterator

  Return the empty iterator singleton.

Direct class methods

None.

Number

Kind

class

Binding

constant

Abstract root for numeric values.

Direct methods

• * other

  Return product of receiver and argument.

• + other

  Return sum of receiver and argument.

• - other

  Return difference of receiver and argument.

• / other

  Return quotient of receiver divided by argument.

• < other

  Return true when receiver is less than argument.

• <= other

  Return true when receiver is less than or equal to argument.

• = other

  Return true when receiver equals argument numerically.

• > other

  Return true when receiver is greater than argument.

• >= other

  Return true when receiver is greater than or equal to argument.

• abs

  Return receiver's magnitude.

• asString

  Return receiver formatted as a string.

• ceiling

  Return least integer not less than receiver.

• compareWith: other

  Return -1, 0, or 1 when receiver is less than, equal to, or greater than argument.

• cos

  Return cosine of receiver.

• expt

  Return e raised to receiver.

• expt: exponent

  Return receiver raised to exponent.

• floor

  Return greatest integer not greater than receiver.

• log

  Return natural logarithm of receiver.

• max: other

  Return larger of receiver and argument.

• min: other

  Return smaller of receiver and argument.

• negative?

  Return true when receiver is less than zero.

• phase

  Return receiver's principal phase angle.

• positive?

  Return true when receiver is greater than zero.

• round

  Return nearest integer to receiver, rounding halfway values away from zero.

• sin

  Return sine of receiver.

• sqrt

  Return principal square root of receiver.

• tan

  Return tangent of receiver.

• truncate

  Return receiver truncated toward zero as an integer.

• zero?

  Return true when receiver is numerically zero.

Direct class methods

None.

Object

Kind

class

Binding

constant

Root of the object hierarchy.

Direct methods

• = other

  Return true when receiver and argument are structurally equal (equal?).

• == other

  Return true when receiver and argument are identical (same object).

• asString

  Return receiver debug-printed as a string.

• class

  Return receiver class.

• doesNotUnderstand: message

  Signal that the receiver does not understand message.

• inspection

  Return a presentation-independent inspection of receiver.

• perform: selector

  Send message to receiver

• slot: slot

  Read receiver slot.

• slot: slot put: value

  Write receiver slot.

• subclassResponsibility

  Signal that the receiver's class must implement this method. Subclasses must implement this method.

Direct class methods

None.

Package

Kind

class

Binding

constant

Namespace for interned symbols.

Direct methods

• < other

  Return true when receiver name is lexicographically less than argument name.

• <= other

  Return true when receiver name is lexicographically less than or equal to argument name.

• > other

  Return true when receiver name is lexicographically greater than argument name.

• >= other

  Return true when receiver name is lexicographically greater than or equal to argument name.

• compareWith: other

  Return -1, 0, or 1 when receiver name is lexicographically less than, equal to, or greater than argument name.

• export: symbol

  Mark symbol as exported from package.

• exportedSymbolsAsList

  Return exported symbols as a list.

• name

  Return package name.

• symbolsAsList

  Return local interned symbols as a list.

• symbolsDo: callable

  Call callable for each local interned symbol.

• unexport: symbol

  Mark symbol as not exported from package.

Direct class methods

• find: name

  Return package with the provided name, or nil when no such package exists.

• named: name

  Return package with the provided name, creating it when needed.

• packagesAsList

  Return packages as a list.

• packagesDo: callable

  Call callable for each package.

Pair

Kind

class

Binding

constant

Immutable cons pair containing car and cdr.

Direct methods

• car

  Return pair car.

• cdr

  Return pair cdr.

Direct class methods

None.

Pathname

Kind

class

Binding

constant

Abstract normalized UTF-8 filesystem pathname.

Direct methods

• / pathname

  Append a relative pathname to the receiver and normalize the result.

• absolute?

  Return true when the pathname is absolute.

• asString

  Return the pathname as a string.

• executable?

  Return true when the pathname is executable.

• exists?

  Return true when the pathname exists.

• isBlockDevice?

  Return true when the pathname names a block device.

• isCharacterDevice?

  Return true when the pathname names a character device.

• isDirectory?

  Return true when the pathname names a directory.

• isFIFO?

  Return true when the pathname names a FIFO.

• isRegularFile?

  Return true when the pathname names a regular file.

• isSocket?

  Return true when the pathname names a socket.

• isSymbolicLink?

  Return true when the pathname names a symbolic link.

• lstat

  Return a POSIX metadata snapshot without following the final symlink.

• parent

  Return the pathname with its final segment removed.

• readable?

  Return true when the pathname is readable.

• relative?

  Return true when the pathname is relative.

• stat

  Return a snapshot of POSIX metadata for the pathname.

• writable?

  Return true when the pathname is writable.

Direct class methods

• fromString: string

  Create an absolute or relative pathname according to the string's shape.

PathnameStat

Kind

class

Binding

constant

Immutable snapshot of POSIX pathname metadata.

Direct methods

• accessedAt

  Return a snapshotted POSIX timestamp.

• atime

  Return a snapshotted POSIX timestamp.

• blksize

  Return a snapshotted POSIX metadata field.

• blocks

  Return a snapshotted POSIX metadata field.

• ctime

  Return a snapshotted POSIX timestamp.

• dev

  Return a snapshotted POSIX metadata field.

• device?

  Return true for a character or block device.

• directory?

  Inspect the snapshotted POSIX file kind.

• gid

  Return a snapshotted POSIX metadata field.

• ino

  Return a snapshotted POSIX metadata field.

• isBlockDevice?

  Inspect the snapshotted POSIX file kind.

• isCharacterDevice?

  Inspect the snapshotted POSIX file kind.

• isDirectory?

  Inspect the snapshotted POSIX file kind.

• isFIFO?

  Inspect the snapshotted POSIX file kind.

• isRegularFile?

  Inspect the snapshotted POSIX file kind.

• isSocket?

  Inspect the snapshotted POSIX file kind.

• isSymbolicLink?

  Inspect the snapshotted POSIX file kind.

• mode

  Return a snapshotted POSIX metadata field.

• modifiedAt

  Return a snapshotted POSIX timestamp.

• mtime

  Return a snapshotted POSIX timestamp.

• nlink

  Return a snapshotted POSIX metadata field.

• pathname

  Return the pathname used for this snapshot.

• pipe?

  Inspect the snapshotted POSIX file kind.

• rdev

  Return a snapshotted POSIX metadata field.

• regular-file?

  Inspect the snapshotted POSIX file kind.

• size

  Return a snapshotted POSIX metadata field.

• socket?

  Inspect the snapshotted POSIX file kind.

• statusChangedAt

  Return a snapshotted POSIX timestamp.

• uid

  Return a snapshotted POSIX metadata field.

Direct class methods

• file: path

  Return POSIX status for a String or Pathname.

Primitive

Kind

class

Binding

constant

Callable function implemented in native code.

Direct methods

• arguments

  Return primitive argument list, or the raw argument string if it cannot be read.

• documentation

  Return primitive documentation.

• name

  Return the primitive name.

Direct class methods

None.

Printer

Kind

class

Binding

constant

Renderer for printing ListTalk values.

Direct methods

None.

Direct class methods

None.

Promise

Kind

class

Binding

constant

Delayed computation evaluated at most once when forced.

Direct methods

• force!

  Force promise evaluation and return its value.

• hasValue?

  Return true when the promise has a memoized value.

• resolved?

  Return true when the promise is resolved.

• value

  Return promise value, or raise error if promise has not resolved.

Direct class methods

• delay: thunk

  Create a promise that will call thunk when forced.

RandomAccessFile

Kind

class

Binding

constant

File descriptor backed positional byte storage.

Direct methods

• BES16at: index

  Read a fixed-width integer at index.

• BES16at: index put: value

  Write a fixed-width integer at index and return it.

• BES32at: index

  Read a fixed-width integer at index.

• BES32at: index put: value

  Write a fixed-width integer at index and return it.

• BES64at: index

  Read a fixed-width integer at index.

• BES64at: index put: value

  Write a fixed-width integer at index and return it.

• BEU16at: index

  Read a fixed-width integer at index.

• BEU16at: index put: value

  Write a fixed-width integer at index and return it.

• BEU32at: index

  Read a fixed-width integer at index.

• BEU32at: index put: value

  Write a fixed-width integer at index and return it.

• BEU64at: index

  Read a fixed-width integer at index.

• BEU64at: index put: value

  Write a fixed-width integer at index and return it.

• LES16at: index

  Read a fixed-width integer at index.

• LES16at: index put: value

  Write a fixed-width integer at index and return it.

• LES32at: index

  Read a fixed-width integer at index.

• LES32at: index put: value

  Write a fixed-width integer at index and return it.

• LES64at: index

  Read a fixed-width integer at index.

• LES64at: index put: value

  Write a fixed-width integer at index and return it.

• LEU16at: index

  Read a fixed-width integer at index.

• LEU16at: index put: value

  Write a fixed-width integer at index and return it.

• LEU32at: index

  Read a fixed-width integer at index.

• LEU32at: index put: value

  Write a fixed-width integer at index and return it.

• LEU64at: index

  Read a fixed-width integer at index.

• LEU64at: index put: value

  Write a fixed-width integer at index and return it.

• at: index

  Return the byte at index.

• at: index put: value

  Write a byte or bytevector at index, extending the file if needed.

• close!

  Close the file descriptor and return the receiver.

• copyFrom: from length: length to: to

  Copy a file range in place, extending the file if needed.

• from: from to: to

  Return bytes in the half-open file range.

• length

  Return the current file length.

• truncateTo: length

  Set the file length and return the receiver.

Direct class methods

• forReading: filename

  Open an existing file for positional reads.

• forWriting: filename

  Open or create a file for positional reads and writes.

RandomNumberGenerator

Kind

class

Binding

constant

Abstract random number generator.

Direct methods

• bytes: length

  Return a bytevector with length random bytes. Subclasses must implement this method.

• float

  Return a random float greater than or equal to zero and less than one.

• integerBelow: bound

  Return a random integer greater than or equal to zero and less than bound.

• integerFrom: from to: to

  Return a random integer in the inclusive range from to to.

Direct class methods

None.

RationalNumber

Kind

class

Binding

constant

Abstract root for exact rational numbers.

Direct methods

None.

Direct class methods

None.

ReadWriteLock

Kind

class

Binding

constant

Lock permitting multiple readers or one writer.

Direct methods

• name

  Return read-write lock name, or nil when it has none.

• readDo: callable

  Acquire read access, call callable, release read access, and return callable result.

• readLock

  Acquire read access and return receiver.

• readUnlock

  Release read access and return receiver.

• tryReadLock

  Try to acquire read access and return whether it was acquired.

• tryWriteLock

  Try to acquire write access and return whether it was acquired.

• writeDo: callable

  Acquire write access, call callable, release write access, and return callable result.

• writeLock

  Acquire write access and return receiver.

• writeUnlock

  Release write access and return receiver.

Direct class methods

• new

  Return a new read-write lock.

• new: name

  Return a new named read-write lock.

Reader

Kind

class

Binding

constant

Parser for ListTalk source forms.

Direct methods

None.

Direct class methods

None.

ReaderError

Kind

class

Binding

constant

Error signaled while reading source text.

Direct methods

None.

Direct class methods

None.

RealNumber

Kind

class

Binding

constant

Abstract root for real numeric values.

Direct methods

• asFloat

  Return receiver converted to a float.

• from: from to: to withStep: step do: callable

  Call callable with each value in the half-open range from to to stepping by step.

Direct class methods

None.

RegularExpression

Kind

class

Binding

constant

Immutable compiled UTF-8 regular expression.

Direct methods

• match: subject

  Return the first match in subject, or false when there is no match.

• pattern

  Return the source pattern.

• substitute: subject with: replacement

  Return subject with every match replaced, expanding capture references.

Direct class methods

• fromString: pattern

  Compile pattern as a UTF-8 regular expression.

RegularExpressionMatch

Kind

class

Binding

constant

Immutable result of matching a regular expression.

Direct methods

• at: index

  Return a captured substring, or false for an unmatched optional capture.

• captureCount

  Return the number of captures, including the complete match.

• from: index

  Return the capture start as a Unicode code-point index, or false.

• regularExpression

  Return the regular expression that produced the match.

• subject

  Return the matched subject string.

• to: index

  Return the exclusive capture end as a Unicode code-point index, or false.

Direct class methods

None.

RelativePathname

Kind

class

Binding

constant

Normalized relative filesystem pathname.

Direct methods

None.

Direct class methods

• fromString: string

  Create a relative pathname; reject a leading slash.

Restart

Kind

class

Binding

constant

Immutable description of a restart and its callable implementation.

Direct methods

• argument-list

  Return restart argument list.

• callable

  Return restart callable.

• description

  Return restart description.

• name

  Return restart name.

Direct class methods

• fromClosure: closure

  Return restart described by closure metadata.

• named: name fromClosure: closure

  Return named restart described by closure metadata.

Set

Kind

class

Binding

constant

Collection of unique values compared by equality.

Direct methods

• any: callable

  Return true when callable returns truthy for any element.

• asIterator

  Return an iterator over set elements.

• asList

  Return set elements as a list.

• contains?: value

  Return true when set contains value.

• empty?

  Return true when set has no elements.

• every: callable

  Return true when callable returns truthy for every element.

• forEach: callable

  Apply callable to each element and return nil.

• inject: initial into: callable

  Fold set with initial value and callable.

• put: value

  Add value to set and return it.

• reduce: callable

  Reduce set with callable.

• remove: value

  Remove value from set and return true when it was present.

• size

  Return set size.

Direct class methods

• fromList: list

  Return a set containing the unique elements of list.

• new

  Return a new empty set.

SetIterator

Kind

class

Binding

constant

Iterator over set elements.

Direct methods

• hasThis?

  Return true when the iterator has a current set element.

• next!

  Advance the iterator and return receiver.

• this

  Return the current set element.

Direct class methods

None.

SmallFraction

Kind

class

Binding

constant

Compact exact rational number with small integer parts.

Direct methods

None.

Direct class methods

None.

SmallInteger

Kind

class

Binding

constant

Immediate exact integer value fitting in a machine word.

Direct methods

None.

Direct class methods

None.

SpecialForm

Kind

class

Binding

constant

Evaluator form with special argument rules.

Direct methods

• arguments

  Return special form argument list, or the raw argument string if it cannot be read.

• documentation

  Return special form documentation.

• name

  Return the special form name.

Direct class methods

None.

Stream

Kind

class

Binding

constant

Abstract input and output byte stream.

Direct methods

• close

  Close stream. Subclasses must implement this method.

• flush

  Flush buffered stream data. Subclasses must implement this method.

• isClosed

  Return true when stream is closed.

• isReadable

  Return true when stream supports reading.

• isWritable

  Return true when stream supports writing.

• readByte

  Read one byte as an unsigned fixnum, or nil at EOF. Subclasses must implement this method.

• readByteVector

  Read remaining stream bytes into a bytevector. Subclasses must implement this method.

• readBytes: length

  Read up to length bytes. Subclasses must implement this method.

• readLine

  Read a line without its line terminator. Subclasses must implement this method.

• readString

  Read remaining stream bytes as UTF-8 text with normalized line endings. Subclasses must implement this method.

• seek: offset

  Seek from current stream position. Subclasses must implement this method.

• seekFromEnd: offset

  Seek from end of stream. Subclasses must implement this method.

• seekFromStart: offset

  Seek from start of stream. Subclasses must implement this method.

• writeByte: byte

  Write one byte. Subclasses must implement this method.

• writeByteVector: bytevector

  Write bytevector bytes. Subclasses must implement this method.

• writeCharacter: character

  Write one character as UTF-8. Subclasses must implement this method.

• writeLn

  Write a line feed byte. Subclasses must implement this method.

• writeString: string

  Write string UTF-8 bytes. Subclasses must implement this method.

Direct class methods

None.

String

Kind

class

Binding

constant

Immutable UTF-8 text string.

Direct methods

• < other

  Return true when receiver is lexicographically less than argument.

• <= other

  Return true when receiver is lexicographically less than or equal to argument.

• > other

  Return true when receiver is lexicographically greater than argument.

• >= other

  Return true when receiver is lexicographically greater than or equal to argument.

• append: other

  Return a new string with other appended.

• asByteVector

  Return a bytevector containing string UTF-8 bytes.

• asHexByteVector

  Return a bytevector decoded from this hexadecimal string.

• asIterator

  Return an iterator over string characters.

• asList

  Return string characters as a list.

• asPortableFilename

  Encode the receiver into a POSIX portable filename string (A–Z, a–z, 0–9, '.', '-', '_'), escaping '_' as '__' and other bytes as _HH.

• asString

  Return receiver.

• at: index

  Return Unicode character at index.

• capitalize

  Titlecase the first code point and lowercase the remainder.

• caseFold

  Return the Unicode default full case folding of receiver.

• compareWith: other

  Return -1, 0, or 1 when receiver is lexicographically less than, equal to, or greater than argument.

• contains?: needle

  Return true when string contains needle.

• decodeBase64

  Return a bytevector decoded from this base64 string.

• decodeBase64IgnoringPadding: ignore_padding

  Return a bytevector decoded from this base64 string, optionally accepting omitted padding.

• decodeBase64URI

  Return a bytevector decoded from this URI-safe base64 string.

• decodeBase64URIIgnoringPadding: ignore_padding

  Return a bytevector decoded from this URI-safe base64 string, optionally accepting omitted padding.

• find: needle

  Return first codepoint index of needle, or nil when absent.

• findAll: needle

  Return all codepoint indices where needle occurs.

• fnMatch?: pattern

  Return true when the string matches a POSIX filename pattern.

• fnMatchPathname?: pattern

  Return true when the string matches a POSIX filename pattern without wildcards matching slashes.

• from: from to: to

  Return a substring using half-open Unicode code point indexes.

• join: strings

  Join a list of strings using self as the delimiter.

• length

  Return string length in Unicode code points.

• lower

  Return the locale-invariant Unicode lowercase mapping.

• lowerCase

  Return the locale-invariant Unicode lowercase mapping.

• mapCharacters: dictionary

  Return a new string mapping characters through a dictionary.

• match: pattern

  Return the first regular expression match, or false when there is no match.

• matches?: pattern

  Return true when regular expression pattern matches the string.

• replace: needle with: replacement

  Return a new string replacing all occurrences of needle with replacement.

• replaceFirst: needle with: replacement

  Return a new string replacing the first occurrence of needle with replacement.

• splitLines

  Return string lines without line terminators.

• splitOn: delimiters

  Return substrings split on a delimiter character, delimiter string, set of characters, or regular expression.

• splitOn: delimiters do: callable

  Call callable for substrings split on a delimiter character, delimiter string, set of characters, or regular expression.

• startsWith?: prefix

  Return true when string starts with prefix.

• substitute: pattern with: replacement

  Return a new string replacing regular expression matches with replacement.

• substringFrom: from to: to

  Return a substring using half-open Unicode code point indexes.

• substrings

  Return non-empty substrings split on whitespace.

• substrings: delimiter

  Return substrings split on delimiter string, including empty substrings.

• substrings: delimiter do: callable

  Call callable for each substring split on delimiter string.

• substringsDo: callable

  Call callable for each non-empty substring split on whitespace.

• title

  Titlecase each whitespace-delimited word.

• titleCase

  Titlecase each whitespace-delimited word.

• upper

  Return the locale-invariant Unicode uppercase mapping.

• upperCase

  Return the locale-invariant Unicode uppercase mapping.

• width

  Return display width measured with wcswidth.

• writeToFile: filename

  Write string to a file atomically and return filename.

Direct class methods

• fromFile: filename

  Return file contents as a string.

• fromPortableFilename: filename

  Decode a string encoded by String>>asPortableFilename.

StringBuilder

Kind

class

Binding

constant

Builder that accumulates strings and characters.

Direct methods

• append: value

  Append a string or character and return the receiver.

• value

  Return the accumulated string.

Direct class methods

• new

  Return a new empty string builder.

StringIterator

Kind

class

Binding

constant

Iterator over string characters.

Direct methods

• hasThis?

  Return true when the iterator has a current character.

• next!

  Advance the iterator and return receiver.

• this

  Return the current character.

Direct class methods

None.

SubclassResponsibilityError

Kind

class

Binding

constant

Error signaled when an abstract method is not overridden.

Direct methods

None.

Direct class methods

None.

Symbol

Kind

class

Binding

constant

Interned symbolic name.

Direct methods

• < other

  Return true when receiver sorts before argument by package then local name.

• <= other

  Return true when receiver sorts before or with argument by package then local name.

• > other

  Return true when receiver sorts after argument by package then local name.

• >= other

  Return true when receiver sorts after or with argument by package then local name.

• compareWith: other

  Return -1, 0, or 1 when receiver sorts before, with, or after argument by package then local name.

• keyword?

  Return true when symbol is in the keyword package.

• name

  Return symbol name as string.

• nameStartsWith?: prefix

  Return true when symbol name starts with prefix.

• package

  Return symbol package, or nil for uninterned symbols.

Direct class methods

• gensym :optional name

  Return a fresh gensym or named uninterned symbol.

• intern: name in: package

  Return interned symbol with name in package.

• keyword: name

  Return interned keyword symbol with name.

• uninterned: name

  Return a fresh uninterned symbol with the provided name.

SystemError

Kind

class

Binding

constant

Error representing an operating system failure.

Direct methods

None.

Direct class methods

None.

Thread

Kind

class

Binding

constant

Thread executing a callable.

Direct methods

• detached?

  Return true when thread is detached.

• finished?

  Return true when thread has finished execution.

• join

  Wait for thread completion and return its result.

• joined?

  Return true when thread has been joined.

• makeDaemon

  Detach thread so it does not need to be joined.

• makeDetached

  Detach thread so it does not need to be joined.

• name

  Return thread name, or nil when it has none.

• result

  Return thread result, or raise error if thread has not finished.

• signal: callable

  Queue callable as an asynchronous signal for thread.

Direct class methods

• current

  Return the current thread.

• new: callable

  Start callable in a new thread and return the thread.

• new: callable named: name

  Start callable in a new named thread and return the thread.

UTCDateTime

Kind

class

Binding

constant

Calendar date and time in UTC.

Direct methods

• asISO8601

  Return receiver formatted as ISO8601 UTC text.

• asISO8601WithSeparator: separator

  Return receiver formatted as ISO8601 UTC text with separator.

• asInstant

  Return receiver converted to an Instant.

• day

  Return UTC date-time day.

• hour

  Return UTC date-time hour.

• microsecond

  Return UTC date-time microsecond.

• minute

  Return UTC date-time minute.

• month

  Return UTC date-time month.

• second

  Return UTC date-time second.

• year

  Return UTC date-time year.

Direct class methods

• fromISO8601: string

  Return UTC date-time parsed from simple ISO8601 text.

• fromInstant: instant

  Return UTC date-time representing instant.

• fromYear: year month: month day: day hour: hour minute: minute second: second microsecond: microsecond

  Return UTC date-time from component fields.

UUID

Kind

class

Binding

constant

Immutable 128-bit universally unique identifier.

Direct methods

• asByteVector

  Return receiver bytes as a bytevector.

• asString

  Return receiver as a canonical lowercase UUID string.

• at: index

  Return byte at zero-based index.

• compareWith: other

  Return -1, 0, or 1 comparing UUID bytes lexicographically.

Direct class methods

• fromByteVector: bytevector

  Return a UUID from a 16-byte bytevector.

• fromString: string

  Return a UUID parsed from its canonical string representation.

• randomV4

  Return a random RFC 4122 version 4 UUID.

Vector

Kind

class

Binding

constant

Mutable indexed sequence of object values.

Direct methods

• asIterator

  Return an iterator over vector elements.

• asList

  Return vector elements as a list.

• asVector

  Return receiver.

• at: index

  Return vector item at index.

• at: index put: value

  Set vector item at index.

• length

  Return vector length.

• sort

  Return a fresh vector sorted with element compareWith:.

• sortUsing: callable

  Return a fresh vector sorted with a two-argument comparator.

Direct class methods

None.

VectorIterator

Kind

class

Binding

constant

Iterator over vector elements.

Direct methods

• hasThis?

  Return true when the iterator has a current value.

• next!

  Advance the iterator and return receiver.

• this

  Return the current value of the iterator.

Direct class methods

None.

Warning

Kind

class

Binding

constant

Non-fatal condition reported to handlers.

Direct methods

None.

Direct class methods

None.

WeakIdentitySet

Kind

class

Binding

constant

Identity set that does not keep members alive.

Direct methods

None.

Direct class methods

• fromList: list

  Return a weak identity set containing the unique identities of list.

• new

  Return a new empty weak identity set.

WeakKeyIdentityDictionary

Kind

class

Binding

constant

Identity dictionary that does not keep keys alive.

Direct methods

None.

Direct class methods

• new

  Return a new empty weak-key identity dictionary.

• newFromAList: alist

  Return a weak-key identity dictionary initialized from an association list.

WeakReference

Kind

class

Binding

constant

Reference that does not keep its target alive.

Direct methods

• alive?

  Return true when referenced value is still alive.

• value

  Return referenced value or signal an error if it is no longer alive.

• value: value

  Set referenced value.

Direct class methods

• new: value

  Create a weak reference to value.

WeakValueIdentityDictionary

Kind

class

Binding

constant

Identity dictionary that does not keep values alive.

Direct methods

None.

Direct class methods

• new

  Return a new empty weak-value identity dictionary.

• newFromAList: alist

  Return a weak-value identity dictionary initialized from an association list.

XoshiroRNG

Kind

class

Binding

constant

xoshiro256** random number generator.

Direct methods

• bytes: length

  Return a bytevector with length random bytes.

Direct class methods

• fromByteVector: state

  Return a xoshiro256** random number generator initialized from 32 state bytes.

• random

  Return a xoshiro256** random number generator initialized from system entropy.

• seed: seed

  Return a xoshiro256** random number generator initialized from seed.

abs

Kind

primitive

Binding

constant

Lambda list

(x)

Return magnitude of a number.

alist->plist

Kind

primitive

Binding

constant

Lambda list

(alist)

Return property list converted from association list.

and

Kind

special form

Binding

constant

Lambda list

(:rest expression)

Evaluate expressions until one is falsey, else return last value.

any

Kind

primitive

Binding

constant

Lambda list

(callable list :rest list)

Return true when callable returns truthy for any element tuple.

append

Kind

primitive

Binding

constant

Lambda list

(:rest list)

Concatenate lists, sharing the final argument tail.

apply

Kind

primitive

Binding

constant

Lambda list

(callable arguments)

Apply callable to argument list.

assoc

Kind

primitive

Binding

constant

Lambda list

(key alist)

Return matching pair in alist by structural equality, else false.

assq

Kind

primitive

Binding

constant

Lambda list

(key alist)

Return matching pair in alist by identity equality, else false.

assv

Kind

primitive

Binding

constant

Lambda list

(key alist)

Return matching pair in alist by eqv? semantics, else false.

begin

Kind

special form

Binding

constant

Lambda list

(:rest body)

Evaluate body forms in order in the current environment.

boolean?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a boolean.

bytevector

Kind

primitive

Binding

constant

Lambda list

(:rest byte)

Create bytevector from unsigned byte fixnums.

bytevector->string

Kind

primitive

Binding

constant

Lambda list

(bytevector)

Return a string decoded from bytevector bytes.

bytevector-append

Kind

primitive

Binding

constant

Lambda list

(:rest bytevector)

Concatenate all bytevector arguments.

bytevector-copy

Kind

primitive

Binding

constant

Lambda list

(bytevector :optional from to)

Return a bytevector slice using half-open byte indexes.

bytevector-length

Kind

primitive

Binding

constant

Lambda list

(bytevector)

Return bytevector length in bytes as fixnum.

bytevector-u8-ref

Kind

primitive

Binding

constant

Lambda list

(bytevector index)

Return byte at index as an unsigned fixnum.

bytevector-u8-set!

Kind

primitive

Binding

constant

Lambda list

(bytevector index byte)

Set byte at index and return byte as an unsigned fixnum.

bytevector?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a bytevector.

caaaar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caaadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caaar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caadar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caaddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cadaar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cadadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cadar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caddar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cadddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

caddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

car

Kind

primitive

Binding

constant

Lambda list

(pair)

Return the car of pair.

catch

Kind

special form

Binding

constant

Lambda list

(tag-expression :rest body)

Evaluate body and intercept throws matching tag.

cdaaar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdaadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdaar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdadar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdaddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cddaar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cddadr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cddar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdddar

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cddddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cddr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return pair navigation primitive result.

cdr

Kind

primitive

Binding

constant

Lambda list

(pair)

Return the cdr of pair.

ceiling

Kind

primitive

Binding

constant

Lambda list

(x)

Return least integer not less than a real number.

character?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a character.

class-slots

Kind

primitive

Binding

constant

Lambda list

(class)

Return list of slot names for class.

class?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a class object.

closure?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a closure.

complex?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a complex number.

cond

Kind

special form

Binding

constant

Lambda list

(:rest (test :rest body))

Evaluate the body of the first clause with a truthy test.

cons

Kind

primitive

Binding

constant

Lambda list

(car cdr)

Construct a pair from car and cdr.

cos

Kind

primitive

Binding

constant

Lambda list

(x)

Return cosine of a real number.

current-restarts

Kind

primitive

Binding

constant

Return currently active restarts.

define

Kind

macro

Binding

constant

Lambda list

(target . body)

Define a value, function, or dynamic variable.

define-class

Kind

macro

Binding

constant

Lambda list

(name superclasses slot-names)

Define a class with superclasses and slot names.

define-condition-variable

Kind

macro

Binding

constant

Lambda list

(name)

Define a condition variable with the given name.

define-constant

Kind

macro

Binding

mutable

Lambda list

(target . body)

Define a constant value or function.

define-constructor

Kind

macro

Binding

constant

Lambda list

(signature . body)

Define a class-side constructor and matching instance initializer.

define-macro

Kind

macro

Binding

mutable

Lambda list

(target . body)

Define a macro from a signature or macro object.

define-message-queue

Kind

macro

Binding

constant

Lambda list

(name capacity)

Define a message queue with the given name.

define-method

Kind

macro

Binding

constant

Lambda list

(signature . body)

Define a method on a class for a selector.

define-mutex

Kind

macro

Binding

constant

Lambda list

(name)

Define a mutex with the given name.

define-package

Kind

primitive

Binding

constant

Lambda list

(package-designator :rest (:either used-package (used-package nickname)))

Define package and optionally add used packages.

define-rwlock

Kind

macro

Binding

constant

Lambda list

(name)

Define a read-write lock with the given name.

delay

Kind

macro

Binding

constant

Lambda list

(expression)

Create a promise for expression without evaluating it.

display

Kind

primitive

Binding

constant

Lambda list

(value)

Print value and newline to standard output, then return it.

dynamic-let

Kind

macro

Binding

constant

Lambda list

(bindings . body)

Temporarily bind dynamic variables during body.

environment?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is an environment.

eq?

Kind

primitive

Binding

constant

Lambda list

(left :rest right)

Return true when all arguments are the same value identity.

equal?

Kind

primitive

Binding

constant

Lambda list

(left :rest right)

Return true when all arguments are structurally equal.

eqv?

Kind

primitive

Binding

constant

Lambda list

(left :rest right)

Return true when all arguments are numerically equivalent or identical.

error

Kind

primitive

Binding

constant

Lambda list

(message)

Signal error condition and abort unless intercepted.

eval

Kind

primitive

Binding

constant

Lambda list

(form environment)

Evaluate form using environment object.

every

Kind

primitive

Binding

constant

Lambda list

(callable list :rest list)

Return true when callable returns truthy for every element tuple.

export

Kind

primitive

Binding

constant

Lambda list

(:rest symbol)

Mark symbols as exported from current package.

expt

Kind

primitive

Binding

constant

Lambda list

(:optional base exponent)

Raise base to exponent, treat one argument as e^x, and return e with no arguments.

find-restart

Kind

primitive

Binding

constant

Lambda list

(name)

Return active restart with eq name or nil.

floor

Kind

primitive

Binding

constant

Lambda list

(x)

Return greatest integer not greater than a real number.

fold-expression

Kind

primitive

Binding

constant

Lambda list

(form environment)

Fold form with lexical constants from environment object.

fold-left

Kind

primitive

Binding

constant

Lambda list

(callable initial list :rest list)

Fold callable from the left across element tuples, stopping at shortest list.

fold-right

Kind

primitive

Binding

constant

Lambda list

(callable initial list :rest list)

Fold callable from the right across element tuples, stopping at shortest list.

for-each

Kind

primitive

Binding

constant

Lambda list

(callable list :rest list)

Apply callable for each element tuple, stopping at shortest list.

force

Kind

closure

Binding

constant

Lambda list

(future)

Force future and return its value.

format

Kind

primitive

Binding

constant

Lambda list

(format-string :rest argument)

Return a formatted string using SRFI-28-style directives.

function?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a function.

gensym

Kind

primitive

Binding

constant

Lambda list

(:optional name)

Return a fresh gensym or named uninterned symbol.

get-current-environment

Kind

special form

Binding

constant

Return current lexical environment.

handler-bind

Kind

special form

Binding

constant

Lambda list

(handler-expression :rest body)

Bind condition handler during dynamic extent of body.

if

Kind

special form

Binding

constant

Lambda list

(condition then :optional else)

Evaluate then or else based on condition.

in-package

Kind

primitive

Binding

constant

Lambda list

(package-designator)

Set current package for symbol interning.

integer?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is an integer.

invoke-restart

Kind

primitive

Binding

constant

Lambda list

(name :rest arguments)

Invoke active restart with eq name.

keyword?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a symbol in the keyword package.

lambda

Kind

macro

Binding

constant

Lambda list

(parameters . body)

Construct an anonymous closure.

length

Kind

primitive

Binding

constant

Lambda list

(list)

Return the length of a proper list.

let

Kind

macro

Binding

constant

Lambda list

(bindings-or-name . body)

Evaluate body with lexical bindings, or create and call a named local function.

let*

Kind

macro

Binding

constant

Lambda list

(bindings . body)

Evaluate body with sequential lexical bindings.

letrec

Kind

special form

Binding

constant

Lambda list

((:rest (symbol value-expression)) :rest body)

Evaluate body in lexical scope with mutually recursive bindings.

list

Kind

primitive

Binding

constant

Lambda list

(:rest value)

Return a list containing all arguments.

list->string

Kind

primitive

Binding

constant

Lambda list

(characters)

Construct a string from a proper list of characters.

list->vector

Kind

primitive

Binding

constant

Lambda list

(list)

Return a vector containing the elements of a proper list.

list-ref

Kind

primitive

Binding

constant

Lambda list

(list index)

Return list item at index.

list?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a proper list.

load!

Kind

macro

Binding

constant

Lambda list

(module . resolvers)

Load module using optional resolver paths before configured resolvers.

log

Kind

primitive

Binding

constant

Lambda list

(x)

Return natural logarithm of a real number.

macro

Kind

special form

Binding

constant

Lambda list

(callable-expression)

Wrap primitive or closure as macro.

macro?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a macro.

macroexpand

Kind

primitive

Binding

constant

Lambda list

(form environment)

Expand macros in form using environment object.

make-bytevector

Kind

primitive

Binding

constant

Lambda list

(length :optional fill)

Create a bytevector with optional byte fill.

make-class

Kind

primitive

Binding

constant

Lambda list

(name superclasses slot-names)

Create class with name, superclasses list, and slot-name list.

make-instance

Kind

primitive

Binding

constant

Lambda list

(class)

Allocate empty instance for allocatable class.

make-vector

Kind

primitive

Binding

constant

Lambda list

(length :optional fill)

Create vector with optional fill value.

map

Kind

primitive

Binding

constant

Lambda list

(callable list :rest list)

Return list of callable results for each element tuple, stopping at shortest list.

max

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return largest real numeric argument.

memq

Kind

primitive

Binding

constant

Lambda list

(value list)

Return list tail whose car is value by identity, else false.

min

Kind

primitive

Binding

constant

Lambda list

(n :rest n)

Return smallest real numeric argument.

negative?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is less than zero.

not

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is falsey (nil or #false).

null?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is nil.

number->string

Kind

primitive

Binding

constant

Lambda list

(number)

Return the string representation of a number.

number?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a number.

or

Kind

special form

Binding

constant

Lambda list

(:rest expression)

Evaluate expressions until one is truthy, else return last value.

package

Kind

primitive

Binding

constant

Lambda list

(package-designator)

Return package object for designator.

pair?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a pair.

phase

Kind

primitive

Binding

constant

Lambda list

(x)

Return principal phase angle of a number.

plist->alist

Kind

primitive

Binding

constant

Lambda list

(plist)

Return association list converted from property list.

positive?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is greater than zero.

primitive?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a primitive function.

provide

Kind

macro

Binding

constant

Lambda list

(module)

Record module as provided and return its name.

quasiquote

Kind

special form

Binding

constant

Lambda list

(value)

Evaluate quasiquote template.

quote

Kind

special form

Binding

constant

Lambda list

(value)

Return value without evaluation.

rational?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a rational number.

read

Kind

primitive

Binding

constant

Read one line from standard input and return it as a string.

read-file-as-data

Kind

primitive

Binding

constant

Lambda list

(path)

Read all s-expressions from path as data.

read-string-as-data

Kind

primitive

Binding

constant

Lambda list

(source)

Read all s-expressions from source string as data.

real?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a real number.

reduce-left

Kind

primitive

Binding

constant

Lambda list

(callable list :rest list)

Reduce callable from the left across element tuples, stopping at shortest list.

reduce-right

Kind

primitive

Binding

constant

Lambda list

(callable list :rest list)

Reduce callable from the right across element tuples, stopping at shortest list.

require

Kind

macro

Binding

constant

Lambda list

(module . resolvers)

Load module unless already provided.

restart-bind

Kind

macro

Binding

constant

Lambda list

(clause . body)

Bind one restart during body.

reverse

Kind

primitive

Binding

constant

Lambda list

(list)

Return a fresh list containing list items in reverse order.

round

Kind

primitive

Binding

constant

Lambda list

(x)

Return nearest integer to a real number, rounding halfway values away from zero.

send

Kind

macro

Binding

constant

Lambda list

(receiver selector . arguments)

Send selector to receiver, handling super sends specially.

set!

Kind

macro

Binding

constant

Lambda list

(target value)

Set a lexical variable, self slot, or dynamic variable.

sin

Kind

primitive

Binding

constant

Lambda list

(x)

Return sine of a real number.

sleep

Kind

primitive

Binding

constant

Lambda list

(seconds)

Sleep for seconds.

slot-ref

Kind

primitive

Binding

constant

Lambda list

(object slot)

Read object slot value by symbol name.

slot-set!

Kind

primitive

Binding

constant

Lambda list

(object slot value)

Set object slot value by symbol name.

special-form?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a special form.

sqrt

Kind

primitive

Binding

constant

Lambda list

(x)

Return principal square root of a number.

string->bytevector

Kind

primitive

Binding

constant

Lambda list

(string)

Return a bytevector containing string UTF-8 bytes.

string->list

Kind

primitive

Binding

constant

Lambda list

(string)

Return a list of characters in string order.

string-append

Kind

primitive

Binding

constant

Lambda list

(:rest string)

Concatenate all string arguments.

string-join

Kind

primitive

Binding

constant

Lambda list

(delimiter strings)

Join a list of strings with delimiter.

string-length

Kind

primitive

Binding

constant

Lambda list

(string)

Return string length in Unicode code points as fixnum.

string-ref

Kind

primitive

Binding

constant

Lambda list

(string index)

Return Unicode character at index.

string?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a string.

substring

Kind

primitive

Binding

constant

Lambda list

(string from to)

Return a substring using half-open Unicode code point indexes.

symbol-name

Kind

primitive

Binding

constant

Lambda list

(value)

Return symbol name as string.

symbol?

Kind

primitive

Binding

constant

Lambda list

(value)

Return true when value is a symbol.

tan

Kind

primitive

Binding

constant

Lambda list

(x)

Return tangent of a real number.

throw

Kind

special form

Binding

constant

Lambda list

(tag-expression value-expression)

Throw value to nearest enclosing catch with matching tag.

truncate

Kind

primitive

Binding

constant

Lambda list

(x)

Return a real number truncated toward zero as an integer.

type-of

Kind

primitive

Binding

constant

Lambda list

(value)

Return class descriptor of value.

unexport

Kind

primitive

Binding

constant

Lambda list

(:rest symbol)

Mark symbols as not exported from current package.