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Mehrdad's first commit, mainly as a test. Changed filter()'s structure to FilteredRange to give better error messages.

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Lambert 2012-05-11 16:20:26 -07:00
parent 98b34a285a
commit 66c886a4f1
1 changed files with 3 additions and 3 deletions
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6
std/algorithm.d
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@ -1078,7 +1078,7 @@ template filter(alias pred) if (is(typeof(unaryFun!pred)))
{ {
auto filter(Range)(Range rs) if (isInputRange!(Unqual!Range)) auto filter(Range)(Range rs) if (isInputRange!(Unqual!Range))
{ {
struct Result struct FilteredRange
{ {
alias Unqual!Range R; alias Unqual!Range R;
R _input; R _input;
@ -1120,12 +1120,12 @@ template filter(alias pred) if (is(typeof(unaryFun!pred)))
{ {
@property auto save() @property auto save()
{ {
return Result(_input); return typeof(this)(_input);
} }
} }
} }
return Result(rs); return FilteredRange(rs);
} }
} }