[Issue 6539] New: Incomprehensible error message with failed template instantiation

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6539

           Summary: Incomprehensible error message with failed template
                    instantiation
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            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> 2011-08-20 15:16:05 PDT ---
foo.d:
struct Rectangle(T) {}

bar.d:
bool Rectangle(bool, int, int, int, int);

main.d:
module main;

import foo;
import bar;

void test(Rectangle rect)
{
}

$ rdmd main.d
main.d(6): Error: overloadset __anonymous is used as a type

I've had this happen where I've used CairoD and WindowsAPI together. A
templated struct and a function have the same name in different modules.

My error is that I forgot to instantiate the template with a type, like so:
void test(Rectangle!int rect)
{
}

But the error message doesn't help one bit.

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