operator[] ambiguous

[Miles Bader]

Michael Gong <gongweigang@gmail.com> writes:
> If I compile with g++, it has following error message:
>
>  ISO C++ says that `char& A::operator[](unsigned int)' and
> `operator[]' are ambiguous even though the worst conversion for the
> former is better than the worst conversion for the latter

What version of g++ are you using?

I tried compiling your example with every version of g++ I have on this
system (4.3.5, 4.4.4, 4.5.1, and 4.6/trunk), and none gave an error (and
looking at the result, all seem to be using the A::operator[] method).

-Miles

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