http://d.puremagic.com/issues/show_bug.cgi?id=7641

           Summary: std.typecons.Proxy incorrectly allows implicit
                    conversion to class
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: k.hara.pg@gmail.com


--- Comment #0 from Kenji Hara <k.hara.pg@gmail.com> 2012-03-03 22:11:32 PST ---
import std.typecons;
void main()
{
    class C {}
    auto a = Typedef!C(new C);
    C b = a;   // accepts-invalid
}


This is a dmd bug, because opBinaryRight runs unexpectedly. Reduced test case:

mixin template Proxy(alias a)
{
    auto ref opBinaryRight(string op, B)(auto ref B b)
    {
        return mixin("b "~op~" a");
    }
}
struct Typedef(T)
{
    private T Typedef_payload;

    this(T init)
    {
        Typedef_payload = init;
    }

    mixin Proxy!Typedef_payload;
}
void main()
{
    class C {}
    C c1 = new C();
    auto a = Typedef!C(c1);
    C c2 = a;
}

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

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


--- Comment #1 from Kenji Hara <k.hara.pg@gmail.com> 2012-03-03 22:22:09 PST ---
https://github.com/D-Programming-Language/dmd/pull/780

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--- Comment #2 from github-bugzilla@puremagic.com 2012-03-10 00:45:06 PST ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/368d966cb0efd1b326d9ac6a5879f96864f92416 Merge pull request #780 from 9rnsr/fix7641

fix Issue 7641 - std.typecons.Proxy incorrectly allows implicit conversion to class

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla@digitalmars.com
         Resolution|                            |FIXED


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|D2                          |D1 & D2


--- Comment #3 from Kenji Hara <k.hara.pg@gmail.com> 2012-03-27 17:40:04 PDT ---
D1 branch was fixed by the commit:

https://github.com/D-Programming-Language/dmd/commit/6234c1d15b8cdf9021789fdd90730f6c650fd5af merge D2 pull #780

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |samukha@voliacable.com


--- Comment #4 from Kenji Hara <k.hara.pg@gmail.com> 2012-03-27 17:40:39 PDT ---
*** Issue 671 has been marked as a duplicate of this issue. ***

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