deps/boost_1_63_0/boost/core/is_same.hpp

   1 #ifndef BOOST_CORE_IS_SAME_HPP_INCLUDED
   2 #define BOOST_CORE_IS_SAME_HPP_INCLUDED
   3
   4 // MS compatible compilers support #pragma once
   5
   6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
   7 # pragma once
   8 #endif
   9
  10 // is_same<T1,T2>::value is true when T1 == T2
  11 //
  12 // Copyright 2014 Peter Dimov
  13 //
  14 // Distributed under the Boost Software License, Version 1.0.
  15 // See accompanying file LICENSE_1_0.txt or copy at
  16 // http://www.boost.org/LICENSE_1_0.txt
  17
  18 #include <boost/config.hpp>
  19
  20 namespace boost
  21 {
  22
  23 namespace core
  24 {
  25
  26 template< class T1, class T2 > struct is_same
  27 {
  28     BOOST_STATIC_CONSTANT( bool, value = false );
  29 };
  30
  31 template< class T > struct is_same< T, T >
  32 {
  33     BOOST_STATIC_CONSTANT( bool, value = true );
  34 };
  35
  36 } // namespace core
  37
  38 } // namespace boost
  39
  40 #endif // #ifndef BOOST_CORE_IS_SAME_HPP_INCLUDED