http://d.puremagic.com/issues/show_bug.cgi?id=5310

           Summary: Variant == const(Variant) doesn't compile
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody@puremagic.com
        ReportedBy: clugdbug@yahoo.com.au


--- Comment #0 from Don <clugdbug@yahoo.com.au> 2010-12-02 13:23:11 PST ---
import std.variant;

void foo(const Variant a)
{
    Variant b;
    assert (a == b);
}

---
>dmd test0
test0.d(12): Error: template std.variant.VariantN!(maxSize).VariantN.opEquals(T
) does not match any function template declaration
test0.d(12): Error: template std.variant.VariantN!(maxSize).VariantN.opEquals(T
) cannot deduce template function from argument types !()(VariantN!(maxSize))

And if you change the assert into:  assert(b==a);
you get:
c:\dmd\windows\bin\..\..\src\phobos\std\variant.d(499): Error: static assert
"A
ssigning Variant objects from const Variant objects is currently not
supported."

c:\dmd\windows\bin\..\..\src\phobos\std\variant.d(481):        instantiated
from
 here: opAssign!(const(VariantN!(maxSize)))
c:\dmd\windows\bin\..\..\src\phobos\std\variant.d(737):        instantiated
from
 here: __ctor!(const(VariantN!(maxSize)))
test0.d(12):        instantiated from here: opEquals!(const(VariantN!(maxSize))
)
----

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Andrei Alexandrescu <andrei@metalanguage.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |andrei@metalanguage.com
         AssignedTo|nobody@puremagic.com        |andrei@metalanguage.com


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Alex Rønne Petersen <alex@lycus.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
                 CC|                            |alex@lycus.org
         Resolution|                            |FIXED


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Alex Rønne Petersen <alex@lycus.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
                 CC|                            |alex@lycus.org
         Resolution|                            |FIXED


--- Comment #1 from github-bugzilla@puremagic.com 2013-02-24 16:51:31 PST ---
Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/7b03c1eda59cd89739e4164235e43522269b009b issue 5310

https://github.com/D-Programming-Language/phobos/commit/75f578228cd1975995551894ca0717eb19fda0f2 Merge pull request #1163 from andralex/5310

Fix Issue 5310 - Variant == const(Variant) doesn't compile

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