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digitalmars.D.bugs - [Issue 5310] New: Variant == const(Variant) doesn't compile

reply d-bugmail puremagic.com writes:
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)) ) ---- -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Dec 02 2010
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5310


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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Jan 09 2011
prev sibling next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5310


Alex Rønne Petersen <alex lycus.org> changed:

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


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Feb 24 2013
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5310


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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Feb 24 2013