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added mappend\!

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svn: r8327
This commit is contained in:
John Clements 2008-01-14 23:23:39 +00:00
parent 6267a19122
commit 0302ca0a8d
1 changed files with 9 additions and 0 deletions
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9
collects/scribblings/reference/mpairs.scrbl
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@ -95,6 +95,15 @@ Like @scheme[list-tail], but for @tech{mutable lists}.}
Like @scheme[append], but for @tech{mutable lists}.}
@defproc*[([(mappend! [mlst mlist?] ...) mlist?]
[(mappend! [mlst mlist?] ... [v any/c]) any/c])]{
The @scheme[mappend!] procedure appends the given lists by mutating the tail of
each to refer to the next, using @scheme[set-mcdr!]. Empty lists are silently
ignored; in particular, the result of calling @scheme[mappend!] with one or
more empty lists is the same as the result of the call with the empty lists
removed from the set of arguments.}
@defproc[(mreverse [mlst mlist?]) mlist?]{