is_fundamental.qbk 995 B

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  1. [/
  2. Copyright 2007 John Maddock.
  3. Distributed under the Boost Software License, Version 1.0.
  4. (See accompanying file LICENSE_1_0.txt or copy at
  5. http://www.boost.org/LICENSE_1_0.txt).
  6. ]
  7. [section:is_fundamental is_fundamental]
  8. template <class T>
  9. struct is_fundamental : public __tof {};
  10. __inherit If T is a (possibly cv-qualified) fundamental type then inherits from __true_type,
  11. otherwise inherits from __false_type. Fundamental types include integral, floating
  12. point and void types (see also __is_integral, __is_floating_point and __is_void)
  13. __std_ref 3.9.1.
  14. [all_compilers]
  15. __header ` #include <boost/type_traits/is_fundamental.hpp>` or ` #include <boost/type_traits.hpp>`
  16. __examples
  17. [:`is_fundamental<int)>` inherits from `__true_type`.]
  18. [:`is_fundamental<double const>::type` is the type `__true_type`.]
  19. [:`is_fundamental<void>::value` is an integral constant
  20. expression that evaluates to /true/.]
  21. [:`is_fundamental<T>::value_type` is the type `bool`.]
  22. [endsect]