Edit: /usr/include/boost/range/begin.hpp (3555B)
// Boost.Range library
//
// Copyright Thorsten Ottosen 2003-2004. Use, modification and
// distribution is subject to 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)
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_BEGIN_HPP
#define BOOST_RANGE_BEGIN_HPP
#if defined(_MSC_VER)
# pragma once
#endif
#include
#include
#include
#include
namespace boost
{
#if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
namespace range_detail
{
#endif
//////////////////////////////////////////////////////////////////////
// primary template
//////////////////////////////////////////////////////////////////////
template< typename C >
BOOST_CONSTEXPR inline BOOST_DEDUCED_TYPENAME range_iterator::type
range_begin( C& c )
{
//
// If you get a compile-error here, it is most likely because
// you have not implemented range_begin() properly in
// the namespace of C
//
return c.begin();
}
//////////////////////////////////////////////////////////////////////
// pair
//////////////////////////////////////////////////////////////////////
template< typename Iterator >
BOOST_CONSTEXPR inline Iterator range_begin( const std::pair& p )
{
return p.first;
}
template< typename Iterator >
BOOST_CONSTEXPR inline Iterator range_begin( std::pair& p )
{
return p.first;
}
//////////////////////////////////////////////////////////////////////
// array
//////////////////////////////////////////////////////////////////////
//
// May this be discarded? Or is it needed for bad compilers?
//
template< typename T, std::size_t sz >
BOOST_CONSTEXPR inline const T* range_begin( const T (&a)[sz] ) BOOST_NOEXCEPT
{
return a;
}
template< typename T, std::size_t sz >
BOOST_CONSTEXPR inline T* range_begin( T (&a)[sz] ) BOOST_NOEXCEPT
{
return a;
}
#if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
} // namespace 'range_detail'
#endif
// Use a ADL namespace barrier to avoid ambiguity with other unqualified
// calls. This is particularly important with C++0x encouraging
// unqualified calls to begin/end.
namespace range_adl_barrier
{
template< class T >
#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
BOOST_CONSTEXPR
#endif
inline BOOST_DEDUCED_TYPENAME range_iterator::type begin( T& r )
{
#if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
using namespace range_detail;
#endif
return range_begin( r );
}
template< class T >
#if !BOOST_WORKAROUND(BOOST_GCC, < 40700)
BOOST_CONSTEXPR
#endif
inline BOOST_DEDUCED_TYPENAME range_iterator::type begin( const T& r )
{
#if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
using namespace range_detail;
#endif
return range_begin( r );
}
} // namespace range_adl_barrier
} // namespace boost
namespace boost
{
namespace range_adl_barrier
{
template< class T >
inline BOOST_DEDUCED_TYPENAME range_iterator::type
const_begin( const T& r )
{
return boost::range_adl_barrier::begin( r );
}
} // namespace range_adl_barrier
using namespace range_adl_barrier;
} // namespace boost
#endif