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digitalmars.D.bugs - [Issue 10263] New: Refused class opBinary by ref


           Summary: Refused class opBinary by ref
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: diagnostic, rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: bearophile_hugs eml.cc

--- Comment #0 from bearophile_hugs eml.cc 2013-06-04 04:55:45 PDT ---
class Foo {
    Foo opBinary(string op)(ref Foo) {
        return null;
void main() {
    auto f = new Foo;
    auto r1 = f * f;         // OK
    auto r2 = f * (new Foo); // Error.

DMD 2.064alpha gives:

test.d(9): Error: 'f' is not of arithmetic type, it is a test.Foo
test.d(9): Error: 'new Foo' is not of arithmetic type, it is a test.Foo

I think that's a bug. Even if that's not a bug, then I suggest to improve the
error messages.

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Jun 04 2013