Le 10/07/2010 18:13, Edward Diener a écrit :
On 7/10/2010 10:57 AM, Steven Watanabe wrote:
AMDG
Edward Diener wrote:
Just the operator metafunctions in the CTL are useful even without the attempts to add concepts in the form of metafuncions. I do not think C++0x, which is still a year or more away, has any "native" support which would allow me to determine whether a type has an operator.
I believe that extended SFINAE makes it a lot easier.
Thanks for the information. Does Boost currently have a macro which checks for extended SFINAE for any compilers which may support it ?
I introduced it a while ago but I'm not certain it works correctly. BOOST_NO_SFINAE_EXPR should be defined when the compiler doesn't support it. Note it works in GCC, without the need for the C++0x mode, since 4.4, though 4.5 seems to solve a few bugs related to it.