5.3.4
28 Sequences
This library is unstable;
compatibility will not be maintained.
See Unstable: May Change Without Warning for more information.
(require unstable/sequence) |
An in-syntax application can provide better performance for syntax iteration when it appears directly in a for clause.
Example: | ||||
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procedure
(in-sequence-forever seq val) → sequence?
seq : sequence? val : any/c
Produces a sequence whose values are the elements of seq, followed by val repeated.
procedure
(sequence-lift f seq) → sequence?
f : procedure? seq : sequence?
Produces the sequence of f applied to each element of seq.
Example: | ||||
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The subsequent bindings were added by David Vanderson.
procedure
length : exact-positive-integer? seq : sequence?
Returns a sequence where each element is a list with length
elements from the given sequence.
Example: | ||
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