[boost] Progress on boost::enable_if?

From: Jaakko Jarvi (jajarvi_at_[hidden])
Date: 2003-09-18 16:40:58

Enable_if is in the review queue.
There is an implementation in sandbox (utility/enable_if.hpp) 
in the meantime. Any hints as to how to increase portability
are appreciated.

  Jaakko & Jeremiah

In our last exciting episode "Eric Friedman" wrote:
> Lines: 38

> Has there been any progress on providing a common enable_if facility for
> Boost? To workaround separete bugs in CodeWarrior and EDG compilers, I've
> introduced for Variant yet another implementation of enable_if.

> I'd be willing to write an boost/enable_if.hpp header with the requisite
> macros (enable_if(_c), disable_if(_c), etc.). I'd thought this was already
> happening though.

> Thanks,
> Eric

> P.S. Perhaps even more important is the need for a BOOST_NO_SFINAE defect
> macro. Is the attached test suitable?