[Issue 9365] New: Allow partially specified template aliases

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9365

           Summary: Allow partially specified template aliases
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          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> 2013-01-21 12:50:45 PST ---
It would be helpful if it were possible to alias partially specified templates.
An example:

void foo(A, B)() {}

alias foo!int fooInt;

Currently this fails with "Error: template instance foo!(int) foo!(int) does
not match template declaration foo(A, B)()".

However, if you write foo as:

template foo(A)
{
    void foo(B)() {}
}

Then it works.

This would be useful because it would allow you to write things like:

alias equalRoR = equal!equal;

instead of having to write:

alias equalRoR = binaryFun!((a, b) => equal!equal(a, b));

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