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- [/
- Copyright 2010 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_lvalue_reference add_lvalue_reference]
- template <class T>
- struct add_lvalue_reference
- {
- typedef __below type;
- };
-
- template <class T> using add_lvalue_reference_t = typename add_lvalue_reference<T>::type; // C++11 and above
- __type If `T` names an object or function type then the member typedef `type`
- shall name `T&`; otherwise, if `T` names a type ['rvalue reference to U] then
- the member typedef type shall name `U&`; otherwise, type shall name `T`.
- __std_ref 20.7.6.2.
- __header ` #include <boost/type_traits/add_lvalue_reference.hpp>` or ` #include <boost/type_traits.hpp>`
- [table Examples
- [ [Expression] [Result Type]]
- [[`add_lvalue_reference<int>::type`][`int&`]]
- [[`add_lvalue_reference<int const&>::type`] [`int const&`]]
- [[`add_lvalue_reference<int*>::type`] [`int*&`]]
- [[`add_lvalue_reference<int*&>::type`] [`int*&`]]
- [[`add_lvalue_reference<int&&>::type`][`int&`]]
- [[`add_lvalue_reference<void>::type`][`void`]]
- ]
- [all_compilers]
- [endsect]
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