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- [/
- 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:is_reference is_reference]
- template <class T>
- struct is_reference : public __tof {};
-
- __inherit If T is a reference type (either an lvalue reference or an rvalue reference)
- then inherits from __true_type,
- otherwise inherits from __false_type.
- __std_ref 3.9.2 and 8.3.2.
- [all_compilers]
- __header ` #include <boost/type_traits/is_reference.hpp>` or ` #include <boost/type_traits.hpp>`
- __examples
- [:`is_reference<int&>` inherits from `__true_type`.]
- [:`is_reference<int const&>::type` is the type `__true_type`.]
- [:`is_reference<int const&&>::type` is the type `__true_type`.]
- [:`is_reference<int (&)(long)>::value` is an integral constant
- expression that evaluates to /true/ (the argument in this case is
- a reference to a function).]
- [:`is_reference<T>::value_type` is the type `bool`.]
- [endsect]
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