conditional.hpp
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1 // (C) Copyright John Maddock 2010.
2 // Use, modification and distribution are subject to the Boost Software License,
3 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt).
5 //
6 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
7 
8 
9 #ifndef BOOST_TT_CONDITIONAL_HPP_INCLUDED
10 #define BOOST_TT_CONDITIONAL_HPP_INCLUDED
11 
12 namespace boost {
13 
14 template <bool b, class T, class U> struct conditional { typedef T type; };
15 template <class T, class U> struct conditional<false, T, U> { typedef U type; };
16 
17 #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
18 
19  template <bool b, class T, class U> using conditional_t = typename conditional<b, T, U>::type;
20 
21 #endif
22 
23 } // namespace boost
24 
25 
26 #endif // BOOST_TT_CONDITIONAL_HPP_INCLUDED
BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE.
typename conditional< b, T, U >::type conditional_t
Definition: conditional.hpp:19


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Author(s): Sergey Dorodnicov , Doron Hirshberg , Mark Horn , Reagan Lopez , Itay Carpis
autogenerated on Mon May 3 2021 02:47:12