Michael Gong <gongweigang@xxxxxxxxx> 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 -- Joy, n. An emotion variously excited, but in its highest degree arising from the contemplation of grief in another.
