2005-09-14 Thierry GERAUD <theo(a)lrde.epita.fr>
* ntg/real/range.hh (operator void()): New overload.
* ntg/core/predecls.hh: Add fwd declarations.
(decl_overload): Add operator overload traits when ntg is
involved.
* ntg/core/type_traits.hh
(signed_type_traits): New traits.
* ntg/core/internal/global_ops_traits.hh
(operator_*_traits): New traits.