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

[/ 
  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_array is_array]
   template <class T>
   struct is_array : public __tof {};
  
__inherit If T is a (possibly cv-qualified) array type then inherits from __true_type, 
otherwise inherits from __false_type.

__std_ref 3.9.2 and 8.3.4.

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

[all_compilers]

__examples

[:`is_array<int[2]>` inherits from `__true_type`.]

[:`is_array<char[2][3]>::type` is the type `__true_type`.]

[:`is_array<double[]>::value` is an integral constant 
expression that evaluates to /true/.]

[:`is_array<T>::value_type` is the type `bool`.]

[endsect]
Commit	Line	Data
7c673cae FG	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
	8	[section:is_array is_array]
	9	template <class T>
	10	struct is_array : public __tof {};
	11
	12	__inherit If T is a (possibly cv-qualified) array type then inherits from __true_type,
	13	otherwise inherits from __false_type.
	14
	15	__std_ref 3.9.2 and 8.3.4.
	16
	17	__header ` #include <boost/type_traits/is_array.hpp>` or ` #include <boost/type_traits.hpp>`
	18
	19	[all_compilers]
	20
	21	__examples
	22
	23	[:`is_array<int[2]>` inherits from `__true_type`.]
	24
	25	[:`is_array<char[2][3]>::type` is the type `__true_type`.]
	26
	27	[:`is_array<double[]>::value` is an integral constant
	28	expression that evaluates to /true/.]
	29
	30	[:`is_array<T>::value_type` is the type `bool`.]
	31
	32	[endsect]
	33