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Re-add missing file

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Jack Firth 2015-08-18 16:16:13 -07:00
parent a518780122
commit 53c8fa61da
1 changed files with 11 additions and 0 deletions
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lens/vector/ref.scrbl Normal file
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#lang scribble/manual
@(require "../doc-util/main.rkt")
@defproc[(vector-ref-lens [i exact-nonnegative-integer?]) lens?]{
Returns a lens that views an element of a vector.
@lenses-examples[
(lens-view (vector-ref-lens 2) #(a b c d))
(lens-set (vector-ref-lens 2) #(a b c d) "sea")
]}