• d-bugmail puremagic.com (35/35) Jun 07 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4292
• d-bugmail puremagic.com (12/12) Aug 15 2010 http://d.puremagic.com/issues/show_bug.cgi?id=4292

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=4292

           Summary: [PATCH] CommonType fails for singular alias value
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: simen.kjaras gmail.com



PDT ---
std.traits.CommonType does not correctly handle the situation of one single
value (non-type) parameter, i.e. CommonType!3.
Solution here:

template CommonType(T...)
{
    static if (!T.length)
        alias void CommonType;
    else static if (T.length == 1)
    {
        static if (is(typeof(T[0])))
            alias typeof( T[0] ) commonOrSingleType;
        else
            alias T[0] commonOrSingleType;
    }
    else static if (is(typeof(true ? T[0].init : T[1].init) U))
        alias CommonType!(U, T[2 .. $]) CommonType;
    else
        alias void CommonType;
}

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=4292


David Simcha <dsimcha yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |dsimcha yahoo.com
         Resolution|                            |FIXED



Fixed SVN.

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