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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libstdc++-v3/] [include/] [tr2/] [type_traits] - Blame information for rev 783

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// TR2  -*- C++ -*-
 
// Copyright (C) 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
 
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// .
 
/** @file tr2/type_traits
 *  This is a TR2 C++ Library header.
 */
 
#ifndef _GLIBCXX_TR2_TYPE_TRAITS
#define _GLIBCXX_TR2_TYPE_TRAITS 1
 
#pragma GCC system_header
#include 
#include 
 
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace tr2
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
 
  /**
   * @addtogroup metaprogramming
   * @{
   */
 
  /**
   *  See N2965: Type traits and base classes
   *  by Michael Spertus
   */
 
  /**
   *  Simple typelist. Compile-time list of types.
   */
  template
    struct typelist;
 
  /// Specialization for an empty typelist.
  template<>
    struct typelist<>
    {
      typedef std::true_type                    empty;
    };
 
  /// Partial specialization.
  template
    struct typelist<_First, _Rest...>
    {
      typedef std::false_type                   empty;
 
      struct first
      {
        typedef _First                          type;
      };
 
      struct rest
      {
        typedef typelist<_Rest...>                type;
      };
    };
 
  /// Sequence abstraction metafunctions for manipulating a typelist.
 
 
  /// Return the first type in a typelist.
  template
    struct first : public _Tp::first { };
 
  /// Return the typelist minus the first type.
  template
    struct rest : public _Tp::rest { };
 
  /// Query to see if a typelist is empty.
  template
    struct empty : public _Tp::empty { };
 
 
  /// Enumerate all the base classes of a class. Form of a typelist.
  template
    struct bases
    {
      typedef typelist<__bases(_Tp)...>  type;
    };
 
  /// Enumerate all the direct base classes of a class. Form of a typelist.
  template
    struct direct_bases
    {
      typedef typelist<__direct_bases(_Tp)...>  type;
    };
 
  /// @} group metaprogramming
 
_GLIBCXX_END_NAMESPACE_VERSION
}
}
 
#endif // _GLIBCXX_TR2_TYPE_TRAITS

Line No.	Rev	Author	Line
1	742	jeremybenn	`// TR2 -- C++ --`
2
3			`// Copyright (C) 2011 Free Software Foundation, Inc.`
4			`//`
5			`// This file is part of the GNU ISO C++ Library. This library is free`
6			`// software; you can redistribute it and/or modify it under the`
7			`// terms of the GNU General Public License as published by the`
8			`// Free Software Foundation; either version 3, or (at your option)`
9			`// any later version.`
10
11			`// This library is distributed in the hope that it will be useful,`
12			`// but WITHOUT ANY WARRANTY; without even the implied warranty of`
13			`// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
14			`// GNU General Public License for more details.`
15
16			`// Under Section 7 of GPL version 3, you are granted additional`
17			`// permissions described in the GCC Runtime Library Exception, version`
18			`// 3.1, as published by the Free Software Foundation.`
19
20			`// You should have received a copy of the GNU General Public License and`
21			`// a copy of the GCC Runtime Library Exception along with this program;`
22			`// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see`
23			`// .`
24
25			`/** @file tr2/type_traits`
26			`* This is a TR2 C++ Library header.`
27			`*/`
28
29			`#ifndef _GLIBCXX_TR2_TYPE_TRAITS`
30			`#define _GLIBCXX_TR2_TYPE_TRAITS 1`
31
32			`#pragma GCC system_header`
33			`#include`
34			`#include`
35
36			`namespace std _GLIBCXX_VISIBILITY(default)`
37			`{`
38			`namespace tr2`
39			`{`
40			`_GLIBCXX_BEGIN_NAMESPACE_VERSION`
41
42			`/**`
43			`* @addtogroup metaprogramming`
44			`* @{`
45			`*/`
46
47			`/**`
48			`* See N2965: Type traits and base classes`
49			`* by Michael Spertus`
50			`*/`
51
52			`/**`
53			`* Simple typelist. Compile-time list of types.`
54			`*/`
55			`template`
56			`struct typelist;`
57
58			`/// Specialization for an empty typelist.`
59			`template<>`
60			`struct typelist<>`
61			`{`
62			`typedef std::true_type empty;`
63			`};`
64
65			`/// Partial specialization.`
66			`template`
67			`struct typelist<_First, _Rest...>`
68			`{`
69			`typedef std::false_type empty;`
70
71			`struct first`
72			`{`
73			`typedef _First type;`
74			`};`
75
76			`struct rest`
77			`{`
78			`typedef typelist<_Rest...> type;`
79			`};`
80			`};`
81
82			`/// Sequence abstraction metafunctions for manipulating a typelist.`
83
84
85			`/// Return the first type in a typelist.`
86			`template`
87			`struct first : public _Tp::first { };`
88
89			`/// Return the typelist minus the first type.`
90			`template`
91			`struct rest : public _Tp::rest { };`
92
93			`/// Query to see if a typelist is empty.`
94			`template`
95			`struct empty : public _Tp::empty { };`
96
97
98			`/// Enumerate all the base classes of a class. Form of a typelist.`
99			`template`
100			`struct bases`
101			`{`
102			`typedef typelist<__bases(_Tp)...> type;`
103			`};`
104
105			`/// Enumerate all the direct base classes of a class. Form of a typelist.`
106			`template`
107			`struct direct_bases`
108			`{`
109			`typedef typelist<__direct_bases(_Tp)...> type;`
110			`};`
111
112			`/// @} group metaprogramming`
113
114			`_GLIBCXX_END_NAMESPACE_VERSION`
115			`}`
116			`}`
117
118			`#endif // _GLIBCXX_TR2_TYPE_TRAITS`

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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libstdc++-v3/] [include/] [tr2/] [type_traits] - Blame information for rev 783