• d-bugmail puremagic.com (30/30) May 07 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5952
• d-bugmail puremagic.com (13/13) May 08 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5952
• d-bugmail puremagic.com (8/11) May 08 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5952
• d-bugmail puremagic.com (7/14) May 08 2011 http://d.puremagic.com/issues/show_bug.cgi?id=5952

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5952

           Summary: map(AA.byValue()) problem
           Product: D
           Version: unspecified
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: bearophile_hugs eml.cc



import std.algorithm;
void main() {
    int[int] hash = [1:2, 3:4];
    auto vals = hash.byValue();
    map!q{a}(vals); // error
}


The line of code with "map" causes this (DMD 2.053beta):

test.d(5): Error: template std.algorithm.map!("a").map(Range) if
(isInputRange!(Unqual!(Range))) does not match any function template
declaration
test.d(5): Error: template std.algorithm.map!("a").map(Range) if
(isInputRange!(Unqual!(Range))) cannot deduce template function from argument
types !()(int delegate(int delegate(ref int) dg))

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5952


kennytm gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |kennytm gmail.com
         Resolution|                            |DUPLICATE



That's because byValue returns an opApply delegate, not a range.

*** This issue has been marked as a duplicate of issue 4264 ***

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5952





 That's because byValue returns an opApply delegate, not a range.
 
 *** This issue has been marked as a duplicate of issue 4264 ***

This is not a duplicate of 4264. Here I am not asking map() to use opApply, I
am asking byValue() to be a Range, if possible.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5952






 That's because byValue returns an opApply delegate, not a range.
 
 *** This issue has been marked as a duplicate of issue 4264 ***

 
 This is not a duplicate of 4264. Here I am not asking map() to use opApply, I
 am asking byValue() to be a Range, if possible.

Then it is still a dup of bug 4607.

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