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doc: fix hash-union contracts

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Changed to match `hash-set` and `hash-set!` contracts

- `hash-can-functional-set?` => `immutable?
- `hash-mutable?` => `(not/c immutable?)`
This commit is contained in:
Ben Greenman 2017-09-25 16:35:23 -04:00 committed by GitHub
parent 23fb09a806
commit 1933501658
1 changed files with 3 additions and 3 deletions
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6
pkgs/racket-doc/scribblings/reference/hashes.scrbl
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@ -572,7 +572,7 @@ for use in double hashing.}
@(define the-eval (make-base-eval)) @(define the-eval (make-base-eval))
@(the-eval '(require racket/hash)) @(the-eval '(require racket/hash))
@defproc[(hash-union [h0 (and/c hash? hash-can-functional-set?)] @defproc[(hash-union [h0 (and/c hash? immutable?)]
[h hash?] ... [h hash?] ...
[#:combine combine [#:combine combine
(-> any/c any/c any/c) (-> any/c any/c any/c)
@ -580,7 +580,7 @@ for use in double hashing.}
[#:combine/key combine/key [#:combine/key combine/key
(-> any/c any/c any/c any/c) (-> any/c any/c any/c any/c)
(lambda (k a b) (combine a b))]) (lambda (k a b) (combine a b))])
(and/c hash? hash-can-functional-set?)]{ (and/c hash? immutable?)]{
Computes the union of @racket[h0] with each hash table @racket[h] by functional Computes the union of @racket[h0] with each hash table @racket[h] by functional
update, adding each element of each @racket[h] to @racket[h0] in turn. For each update, adding each element of each @racket[h] to @racket[h0] in turn. For each
@ -600,7 +600,7 @@ key @racket[k] and value @racket[v], if a mapping from @racket[k] to some value
} }
@defproc[(hash-union! [h0 (and/c hash? hash-mutable?)] @defproc[(hash-union! [h0 (and/c hash? (not/c immutable?))]
[h hash?] ... [h hash?] ...
[#:combine combine [#:combine combine
(-> any/c any/c any/c) (-> any/c any/c any/c)