[boost] Re: Proposal for 'is_dereferenceable' and other templatemetafunctions

Oops... Have to correct / annotade my code:

, any BOOST_PP_INTERCEPT), ...); \

^ Needs BOOST_PP_COMMA_IF( BOOST_PP_DEC( arity ) ) in order to work with an arity of 1.

typedef typename add_reference< typename mpl::if_< is_fundamental<T> ^^^^^^^^^^^^^^

This detection does not cover all cases. However, it's expressive enough to get the idea and free of obvious mistakes, now - I hope ;+).