[Issue 8493] New: template parameter extraction fails for types returned from templated function

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8493

           Summary: template parameter extraction fails for types returned
                    from templated function
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: andrej.mitrovich at gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2012-08-02 07:41:43 PDT ---
struct S(int x, int y) 
{
    void fun(T)(T t) 
        if (is(T U == S!(a, b), int a, int b))
    {
    }
}

@property S!(a, b) s(int a, int b)()
{
    return S!(a, b)();
}

void main() 
{
    auto s1 = S!(1, 1)();
    auto s2 = S!(2, 2)();  // comment out and you get errors
    auto s3 = s!(2, 2);
    s1.fun(s3);  // ok
}

If the second line in main is commented out the call to fun() fails.

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