[/ 
  Copyright 2007 John Maddock.
  Distributed under the Boost Software License, Version 1.0.
  (See accompanying file LICENSE_1_0.txt or copy at
  http://www.boost.org/LICENSE_1_0.txt).
]

[section:add_volatile add_volatile]

   template <class T>
   struct add_volatile
   {
      typedef __below type;
   };
   
   template <class T> using add_volatile_t = typename add_volatile<T>::type; // C++11 and above

__type The same type as `T volatile` for all `T`.  

__std_ref 3.9.3.

__header ` #include <boost/type_traits/add_volatile.hpp>` or ` #include <boost/type_traits.hpp>`

[table Examples

[ [Expression] [Result Type]]

[[`add_volatile<int>::type`][`int volatile`]]

[[`add_volatile<int&>::type`] [`int&`]]

[[`add_volatile<int*>::type`] [`int* volatile`]]

[[`add_volatile<int const>::type`] [`int const volatile`]]

]

[all_compilers]

[endsect]

