[/
Copyright 2019 Glen Joseph Fernandes
(glenjofe@gmail.com)

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:copy_reference copy_reference_]

    template<class T, class U>
    struct copy_reference
    {
        typedef __below type;
    };

    template<class T, class U>
    using copy_reference_t = typename copy_reference<T, U>::type;

__type [^T /ref/], where /ref/ are the ref-qualifiers of `U`.

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

[table Examples

[[Expression] [Result Type]]

[[`copy_reference<int, char>::type`][`int`]]

[[`copy_reference<int, char&>::type`] [`int&`]]

[[`copy_reference<int, char&&>::type`] [`int&&`]]

[[`copy_reference<int&, char>::type`] [`int&`]]

[[`copy_reference<int&, char&>::type`] [`int&`]]

[[`copy_reference<int&, char&&>::type`] [`int&`]]

[[`copy_reference<int&&, char>::type`] [`int&&`]]

[[`copy_reference<int&&, char&>::type`] [`int&`]]

[[`copy_reference<int&&, char&&>::type`] [`int&&`]]

]

[all_compilers] The type alias `copy_reference_t` is only available if the compiler
supports template aliases.

[endsect]