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Fix the vector-drop-right docs to clarify the indexing direction

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This commit is contained in:
Alexis King 2017-12-27 10:23:56 -08:00
parent 36d563d7ce
commit 868815c72e
1 changed files with 5 additions and 4 deletions
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9
pkgs/racket-doc/scribblings/reference/vectors.scrbl
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@ -240,12 +240,13 @@ Returns a fresh vector whose elements are the elements of @racket[vec]
]}
@defproc[(vector-drop-right [vec vector?] [pos exact-nonnegative-integer?]) vector?]{
Returns a fresh vector whose elements are the elements of @racket[vec]
before the first @racket[pos] elements. If @racket[vec] has fewer
than @racket[pos] elements, then the @exnraise[exn:fail:contract].
Returns a fresh vector whose elements are the prefix of @racket[vec],
dropping its @racket[pos]-length tail. If @racket[vec] has fewer
than @racket[pos] elements, then the @exnraise[exn:fail:contract].
@mz-examples[#:eval vec-eval
(vector-drop-right #(1 2 3 4) 2)
(vector-drop-right #(1 2 3 4) 1)
(vector-drop-right #(1 2 3 4) 3)
]}
@defproc[(vector-split-at [vec vector?] [pos exact-nonnegative-integer?])