[Issue 12117] New: Non-template overload taken when template matches better

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12117

           Summary: Non-template overload taken when template matches
                    better
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: peter.alexander.au at gmail.com


--- Comment #0 from Peter Alexander <peter.alexander.au at gmail.com> 2014-02-09 04:37:36 PST ---
import std.stdio;

struct S
{
    int x;
    alias x this;
}

void f(T)(T t) { writeln(T.stringof); }
void f(int t)  { writeln(int.stringof); }

void main()
{
    f(S.init); // f(int) called
}

This writes "int", but should write "S".

The template should be preferred because it matches without implicit
conversions while the non-template requires a conversion. TDPL states that the
non-template should be preferred only when it matches equally well (or better)
than the template.

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