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add missing history note for check-duplicates

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Matthew Flatt 2017-11-09 06:23:47 -07:00
parent d673ad79c0
commit ee19bf8c99
1 changed files with 3 additions and 2 deletions
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5
pkgs/racket-doc/scribblings/reference/pairs.scrbl
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@ -1206,8 +1206,9 @@ use a dictionary for speed.
(lambda (x y) (equal? (modulo x 3) (modulo y 3))))
(check-duplicates '(1 2 3 4) #:default "no duplicates")
]
@history[#:added "6.3"]{}
}
@history[#:added "6.3"
#:changed "6.11.0.2" @elem{Addede the @racket[#:default] optional argument.}]}
@defproc[(remove-duplicates [lst list?]
[same? (any/c any/c . -> . any/c) equal?]