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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:decay decay]
- template <class T>
- struct decay
- {
- typedef __below type;
- };
-
- template <class T> using decay_t = typename decay<T>::type; // C++11 and above
- __type Let `U` be the result of `remove_reference<T>::type`, then if `U` is
- an array type, the result is `remove_extent<U>::type*`, otherwise if `U` is a
- function type then the result is `U*`, otherwise the result is `remove_cv<U>::type`.
- __std_ref 3.9.1.
- __header ` #include <boost/type_traits/decay.hpp>` or ` #include <boost/type_traits.hpp>`
- [table Examples
- [ [Expression] [Result Type]]
- [[`decay<int[2][3]>::type`][`int[3]*`]]
- [[`decay<int(&)[2]>::type`] [`int*`]]
- [[`decay<int(&)(double)>::type`] [`int(*)(double)`]]
- [[`int(*)(double)`] [`int(*)(double)`]]
- [[`int(double)`] [`int(*)(double)`]]
- ]
- [all_compilers]
- [endsect]
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