[ceph.git] / ceph / src / boost / libs / type_traits / doc / conditional.qbk

[/ 
  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:conditional conditional]
[/===================================================================]


__header ` #include <boost/type_traits/conditional.hpp>` or ` #include <boost/type_traits.hpp>`

    namespace boost {
      template <bool B, class T, class U>  struct __conditional;
    }

If B is true, the member typedef type shall equal T. If B is false, the member typedef type shall equal U.

[endsect]
Commit	Line	Data
7c673cae FG	1	[/
	2	Copyright 2010 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
	8	[/===================================================================]
	9	[section:conditional conditional]
	10	[/===================================================================]
	11
	12
	13	__header ` #include <boost/type_traits/conditional.hpp>` or ` #include <boost/type_traits.hpp>`
	14
	15	namespace boost {
	16	template <bool B, class T, class U> struct __conditional;
	17	}
	18
	19	If B is true, the member typedef type shall equal T. If B is false, the member typedef type shall equal U.
	20
	21	[endsect]
	22