[boost] Re: [bug]: optional<T> fails on self-assignment

"Fernando Cacciola" <fernando_cacciola@hotmail.com> writes:

Or to put it another way, if a class is so broken as to support a reasonable copy-constructor (which is a current requirement), but not assignment, then I'm probably doing him/her a favor by breaking it :-)

?? Any immutable or const type should fit that description. -- Dave Abrahams Boost Consulting www.boost-consulting.com