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digitalmars.D.bugs - [Issue 5659] New: Conditional operator, array literal, and std.traits.CommonType return a wrong common type

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5659

           Summary: Conditional operator, array literal, and
                    std.traits.CommonType return a wrong common type
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: rayerd.wiz gmail.com
        Depends on: 3067



PST ---
Because summary of issue 3067 was wrong, I report on this problem again.

import std.stdio : writeln;
import std.traits : CommonType;
void main()
{
    auto a = ("a".dup)[0];
    auto b = "b"[0];
    auto c = true ? a : b;
    auto d = [a, b][0];

    writeln(typeof(a).stringof);//char
    writeln(typeof(b).stringof);//immutable(char)
    writeln(typeof(c).stringof);//int, but it should be char.
    writeln(CommonType!(typeof(a), typeof(b)).stringof);//ditto
    writeln(typeof(d).stringof);//ditto
}

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Feb 27 2011
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5659


Bug 5659 depends on bug 3067, which changed state.

Bug 3067 Summary: std.range.chain returns a range of wrong type elements
http://d.puremagic.com/issues/show_bug.cgi?id=3067

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |DUPLICATE


PST ---
*** Issue 3067 has been marked as a duplicate of this issue. ***

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Feb 27 2011
prev sibling next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5659


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |k.hara.pg gmail.com



Mostly agreed to this issue, but I have one question.

Is the common type of 'char' and 'immutable(char)' 'char'?
I guess it is 'const(char)' from implicit const conversion.

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Jun 20 2011
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=5659


Walter Bright <bugzilla digitalmars.com> changed:

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



21:27:08 PDT ---
https://github.com/D-Programming-Language/dmd/commit/689ff6ad5fc17b4ab58ed273b27b44fd649fa1b1

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