add_volatile.hpp
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1 
2 // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
3 // Hinnant & John Maddock 2000.
4 // Use, modification and distribution are subject to the Boost Software License,
5 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt).
7 //
8 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
9 
10 #ifndef BOOST_TT_ADD_VOLATILE_HPP_INCLUDED
11 #define BOOST_TT_ADD_VOLATILE_HPP_INCLUDED
12 
13 #include <boost/config.hpp>
14 
15 namespace boost {
16 
17 // * convert a type T to volatile type - add_volatile<T>
18 // this is not required since the result is always
19 // the same as "T volatile", but it does suppress warnings
20 // from some compilers:
21 
22 #if defined(BOOST_MSVC)
23 // This bogus warning will appear when add_volatile is applied to a
24 // const volatile reference because we can't detect const volatile
25 // references with MSVC6.
26 # pragma warning(push)
27 # pragma warning(disable:4181) // warning C4181: qualifier applied to reference type ignored
28 #endif
29 
30 template <class T> struct add_volatile{ typedef T volatile type; };
31 
32 #if defined(BOOST_MSVC)
33 # pragma warning(pop)
34 #endif
35 
36 template <class T> struct add_volatile<T&>{ typedef T& type; };
37 
38 #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
39 
40  template <class T> using add_volatile_t = typename add_volatile<T>::type;
41 
42 #endif
43 
44 } // namespace boost
45 
46 #endif // BOOST_TT_ADD_VOLATILE_HPP_INCLUDED
BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE.
typename add_volatile< T >::type add_volatile_t


librealsense2
Author(s): LibRealSense ROS Team
autogenerated on Thu Dec 22 2022 03:41:41