is_fundamental.qbk
来自「Boost provides free peer-reviewed portab」· QBK 代码 · 共 33 行
QBK
33 行
[/ 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_fundamental is_fundamental] template <class T> struct is_fundamental : public __tof {}; __inherit If T is a (possibly cv-qualified) fundamental type then inherits from __true_type, otherwise inherits from __false_type. Fundamental types include integral, floatingpoint and void types (see also __is_integral, __is_floating_point and __is_void)__std_ref 3.9.1.__header ` #include <boost/type_traits/is_fundamental.hpp>` or ` #include <boost/type_traits.hpp>`__examples[:`is_fundamental<int)>` inherits from `__true_type`.][:`is_fundamental<double const>::type` is the type `__true_type`.][:`is_fundamental<void>::value` is an integral constant expression that evaluates to /true/.][:`is_fundamental<T>::value_type` is the type `bool`.][endsect]
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