_tuple_traits.h

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// -*- C++ -*-
 
#ifndef _RWSTD_RW_TUPLE_TRAITS_INCLUDED
#  define _RWSTD_RW_TUPLE_TRAITS_INCLUDED
 
#  include <rw/_defs.h>
 
#  if !defined _RWSTD_NO_EXT_CXX_0X \
      && !defined _RWSTD_NO_VARIADIC_TEMPLATES
 
#    include <rw/_meta_help.h>  // for __rw_true_type
 
 
_RWSTD_NAMESPACE (std) {
 
 
// [20.3.1.1]  tuple traits
 
template <class _Type, class _Alloc>
struct uses_allocator;
 
template <class... _Types, class _Alloc> 
struct uses_allocator<tuple<_Types...>, _Alloc>
    : _RW::__rw_true_type
{
    // empty
}; 
 
 
template <class _Type>
struct constructible_with_allocator_prefix;
 
template <class... _Types> 
struct constructible_with_allocator_prefix<tuple<_Types...> > 
    : _RW::__rw_true_type
{
    // empty
}; 
 
 
}   // namespace std
 
 
#  endif   // !defined _RWSTD_NO_EXT_CXX_0X
           // && !defined _RWSTD_NO_VARIADIC_TEMPLATES
 
#endif   // _RWSTD_RW_TUPLE_TRAITS_INCLUDED