• d-bugmail puremagic.com (51/51) May 28 2013 http://d.puremagic.com/issues/show_bug.cgi?id=10197
• d-bugmail puremagic.com (10/10) May 28 2013 http://d.puremagic.com/issues/show_bug.cgi?id=10197
• d-bugmail puremagic.com (11/11) May 29 2013 http://d.puremagic.com/issues/show_bug.cgi?id=10197
• d-bugmail puremagic.com (10/10) May 29 2013 http://d.puremagic.com/issues/show_bug.cgi?id=10197
• d-bugmail puremagic.com (12/12) May 29 2013 http://d.puremagic.com/issues/show_bug.cgi?id=10197

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=10197

           Summary: [REG2.063] Cannot cast overloaded template property
                    result
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: rejects-valid
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: k.hara.pg gmail.com



From: http://forum.dlang.org/post/pjgyejdfumdpupgjjajv forum.dlang.org

This code should work, but doesn't.

template OriginalType(T)
{
    static if (is(T U == enum))
        alias OriginalType = U;
    else
        static assert(0);
}

enum E : int { F = -20 }
struct S
{
    int val;
     trusted  property T as(T)()
    if (is(T == int) && !is(T == enum))
    {
        return cast(T)(val);
    }
     trusted  property T as(T)()
    if (is(T == enum))
    {
        return cast(T)as!(OriginalType!T);  // L21
    }
}
void main()
{
    S val = S(-20);
    assert(val.as!int == -20);
    assert(val.as!E == E.F);    // L28
}

output:
test.d(21): Error: cannot cast this.as!(OriginalType!(T))
test.d(28): Error: template instance test.S.as!(E) error instantiating

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=10197


Kenji Hara <k.hara.pg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull



https://github.com/D-Programming-Language/dmd/pull/2093

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=10197




Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/0a80b5214ba0e0549c417971fd9842c97bef8abe
fix Issue 10197 - Cannot cast overloaded template property result

https://github.com/D-Programming-Language/dmd/commit/1f9e6739472c4c15b379563698e720fea7badd4e


Issue 10197 - [REG2.063] Cannot cast overloaded template property result

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=10197


Andrei Alexandrescu <andrei erdani.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |andrei erdani.com
         Resolution|                            |FIXED


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Commits pushed to 2.063 at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/0b0760a106aaa3fd49da5e4b889115cc70b8d3e8


Issue 10197 - [REG2.063] Cannot cast overloaded template property result

https://github.com/D-Programming-Language/dmd/commit/8f3b041b390f62a6552fb7324233bdeebe573ba3


Issue 10197 - [REG2.063] Cannot cast overloaded template property result

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