begin.hpp
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1 // Boost.Range library
2 //
3 // Copyright Thorsten Ottosen 2003-2004. Use, modification and
4 // distribution is subject to the Boost Software License, Version
5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //
8 // For more information, see http://www.boost.org/libs/range/
9 //
10 
11 #ifndef BOOST_RANGE_BEGIN_HPP
12 #define BOOST_RANGE_BEGIN_HPP
13 
14 #if defined(_MSC_VER)
15 # pragma once
16 #endif
17 
18 #include <boost/range/config.hpp>
19 
20 #ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
21 #include <boost/range/detail/begin.hpp>
22 #else
23 
24 #include <boost/range/iterator.hpp>
25 
26 namespace boost
27 {
28 
29 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
30 namespace range_detail
31 {
32 #endif
33 
35  // primary template
37 
38  template< typename C >
40  range_begin( C& c )
41  {
42  //
43  // If you get a compile-error here, it is most likely because
44  // you have not implemented range_begin() properly in
45  // the namespace of C
46  //
47  return c.begin();
48  }
49 
51  // pair
53 
54  template< typename Iterator >
55  inline Iterator range_begin( const std::pair<Iterator,Iterator>& p )
56  {
57  return p.first;
58  }
59 
60  template< typename Iterator >
61  inline Iterator range_begin( std::pair<Iterator,Iterator>& p )
62  {
63  return p.first;
64  }
65 
67  // array
69 
70  //
71  // May this be discarded? Or is it needed for bad compilers?
72  //
73  template< typename T, std::size_t sz >
74  inline const T* range_begin( const T (&a)[sz] )
75  {
76  return a;
77  }
78 
79  template< typename T, std::size_t sz >
80  inline T* range_begin( T (&a)[sz] )
81  {
82  return a;
83  }
84 
85 
86 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
87 } // namespace 'range_detail'
88 #endif
89 
90 // Use a ADL namespace barrier to avoid ambiguity with other unqualified
91 // calls. This is particularly important with C++0x encouraging
92 // unqualified calls to begin/end.
93 namespace range_adl_barrier
94 {
95 
96 template< class T >
98 {
99 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
100  using namespace range_detail;
101 #endif
102  return range_begin( r );
103 }
104 
105 template< class T >
107 {
108 #if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
109  using namespace range_detail;
110 #endif
111  return range_begin( r );
112 }
113 
114  } // namespace range_adl_barrier
115 } // namespace boost
116 
117 #endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING
118 
119 namespace boost
120 {
121  namespace range_adl_barrier
122  {
123  template< class T >
125  const_begin( const T& r )
126  {
128  }
129  } // namespace range_adl_barrier
130 
131  using namespace range_adl_barrier;
132 } // namespace boost
133 
134 #endif
135 
BOOST_DEDUCED_TYPENAME range_iterator< const T >::type const_begin(const T &r)
Definition: begin.hpp:125
BOOST_MOVE_USE_STANDARD_LIBRARY_MOVE.
GLboolean GLboolean GLboolean GLboolean a
BOOST_DEDUCED_TYPENAME range_iterator< const T >::type begin(const T &r)
Definition: begin.hpp:106
GLdouble GLdouble r
double p[GRIDW][GRIDH]
Definition: wave.c:109
BOOST_DEDUCED_TYPENAME range_iterator< T >::type begin(T &r)
Definition: begin.hpp:97
#define BOOST_DEDUCED_TYPENAME
Definition: suffix.hpp:465
mpl::eval_if_c< is_const< param_t >::value, range_const_iterator< typename remove_const< param_t >::type >, range_mutable_iterator< param_t > >::type type
BOOST_DEDUCED_TYPENAME range_iterator< C >::type range_begin(C &c)
Definition: begin.hpp:40


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autogenerated on Thu Dec 22 2022 03:41:42