ceph/src/boost/libs/type_traits/doc/is_compound.qbk

   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_compound is_compound]
   9    template <class T>
  10    struct is_compound : public __tof {};
  11
  12 __inherit If T is a (possibly cv-qualified) compound type then inherits from __true_type,
  13 otherwise inherits from __false_type.  Any type that is not a fundamental type is
  14 a compound type (see also __is_fundamental).
  15
  16 __std_ref 3.9.2.
  17
  18 [all_compilers]
  19
  20 __header ` #include <boost/type_traits/is_compound.hpp>` or ` #include <boost/type_traits.hpp>`
  21
  22 __examples
  23
  24 [:`is_compound<MyClass>` inherits from `__true_type`.]
  25
  26 [:`is_compound<MyEnum>::type` is the type `__true_type`.]
  27
  28 [:`is_compound<int*>::value` is an integral constant
  29 expression that evaluates to /true/.]
  30
  31 [:`is_compound<int&>::value` is an integral constant
  32 expression that evaluates to /true/.]
  33
  34 [:`is_compound<int>::value` is an integral constant
  35 expression that evaluates to /false/.]
  36
  37 [:`is_compound<T>::value_type` is the type `bool`.]
  38
  39 [endsect]
  40