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reference: add examples for in-directory

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Matthew Flatt 2019-10-23 18:29:33 -06:00 committed by Sam Tobin-Hochstadt
parent 01f33de537
commit 0263b50c17
1 changed files with 22 additions and 0 deletions
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22
pkgs/racket-doc/scribblings/reference/sequences.scrbl
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@ -534,6 +534,28 @@ each element in the sequence.
@racket[path<?], and the content of a subdirectory is reported
before subsequent paths within the directory.
@examples[
(eval:alts (current-directory (collection-path "info"))
(void))
(eval:alts (for/list ([f (in-directory)])
f)
(map string->path '("main.rkt"
"compiled"
"compiled/main_rkt.dep"
"compiled/main_rkt.zo")))
(eval:alts (for/list ([f (in-directory "compiled")])
f)
(map string->path '("main_rkt.dep"
"main_rkt.zo")))
(eval:alts (for/list ([f (in-directory "compiled")])
f)
(map string->path '("compiled/main_rkt.dep"
"compiled/main_rkt.zo")))
(eval:alts (for/list ([f (in-directory #f (lambda (p)
(not (regexp-match? #rx"compiled" p))))])
f)
(map string->path '("main.rkt" "compiled")))
]
@history[#:changed "6.0.0.1" @elem{Added @racket[use-dir?] argument.}
#:changed "6.6.0.4" @elem{Added guarantee of sorted results.}]}