Re: std::tr1::unordered_set problem in GCC 4.1.2
Howard Hinnant wrote:
Your class actually looks like:
class Traxboard {
public:
Traxboard();
bool operator==(const Traxboard& another) const;
bool operator&();
int getHash() const;
};
The gcc code is taking the address of a Traxboard and you're returning a
bool. gcc wants a Traxboard* when it says &(some expression yielding an
lvalue Traxboard).
Which is, nevertheless, a gcc bug, since the key type for an unordered
container is allowed to overloaed operator&. Of course, that's not a
good idea, and should probably not be allowed. It wreaks havoc unless
library code that needs an address carefully works around it.
--
-- Pete
Roundhouse Consulting, Ltd. (www.versatilecoding.com)
Author of "The Standard C++ Library Extensions: a Tutorial and
Reference." (www.petebecker.com/tr1book)
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