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boost_range/include/boost/range/begin.hpp

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// 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) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/range/config.hpp>
#ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
#include <boost/range/detail/begin.hpp>
#else
#include <boost/range/iterator.hpp>
#include <boost/range/const_iterator.hpp>
namespace boost
{
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namespace range_detail
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{
//////////////////////////////////////////////////////////////////////
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// primary template
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//////////////////////////////////////////////////////////////////////
template< typename C >
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inline BOOST_DEDUCED_TYPENAME range_const_iterator<C>::type
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begin( const C& c )
{
return c.begin();
}
template< typename C >
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inline BOOST_DEDUCED_TYPENAME range_iterator<C>::type
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begin( C& c )
{
return c.begin();
}
//////////////////////////////////////////////////////////////////////
// pair
//////////////////////////////////////////////////////////////////////
template< typename Iterator >
inline Iterator begin( const std::pair<Iterator,Iterator>& p )
{
return p.first;
}
template< typename Iterator >
inline Iterator begin( std::pair<Iterator,Iterator>& p )
{
return p.first;
}
//////////////////////////////////////////////////////////////////////
// array
//////////////////////////////////////////////////////////////////////
template< typename T, std::size_t sz >
inline const T* begin( const T (&array)[sz] )
{
return array;
}
template< typename T, std::size_t sz >
inline T* begin( T (&array)[sz] )
{
return array;
}
//////////////////////////////////////////////////////////////////////
// string
//////////////////////////////////////////////////////////////////////
inline const char* begin( const char* s )
{
return s;
}
inline char* begin( char* s )
{
return s;
}
inline const wchar_t* begin( const wchar_t* s )
{
return s;
}
inline wchar_t* begin( wchar_t* s )
{
return s;
}
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} // namespace 'range_detail'
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template< class T >
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inline BOOST_DEDUCED_TYPENAME range_iterator<T>::type begin( T& r )
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{
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return range_detail::begin( r );
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}
template< class T >
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inline BOOST_DEDUCED_TYPENAME range_const_iterator<T>::type begin( const T& r )
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{
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return range_detail::begin( r );
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}
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} // namespace boost
#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING
#endif