X-Git-Url: https://git.donarmstrong.com/?p=rsem.git;a=blobdiff_plain;f=boost%2Frange%2Fbegin.hpp;fp=boost%2Frange%2Fbegin.hpp;h=c6684887f5297ee81be7e2eaaac72460cc91de3e;hp=0000000000000000000000000000000000000000;hb=2d71eb92104693ca9baa5a2e1c23eeca776d8fd3;hpb=da57529b92adbb7ae74a89861cb39fb35ac7c62d diff --git a/boost/range/begin.hpp b/boost/range/begin.hpp new file mode 100644 index 0000000..c668488 --- /dev/null +++ b/boost/range/begin.hpp @@ -0,0 +1,143 @@ +// 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 + +#ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING +#include +#else + +#include + +namespace boost +{ + +#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) && \ + !BOOST_WORKAROUND(__GNUC__, < 3) \ + /**/ +namespace range_detail +{ +#endif + + ////////////////////////////////////////////////////////////////////// + // primary template + ////////////////////////////////////////////////////////////////////// + + template< typename C > + 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 > + inline Iterator range_begin( const std::pair& p ) + { + return p.first; + } + + template< typename Iterator > + 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 > + inline const T* range_begin( const T (&a)[sz] ) + { + return a; + } + + template< typename T, std::size_t sz > + inline T* range_begin( T (&a)[sz] ) + { + return a; + } + + +#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) && \ + !BOOST_WORKAROUND(__GNUC__, < 3) \ + /**/ +} // 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 > +inline BOOST_DEDUCED_TYPENAME range_iterator::type begin( T& r ) +{ +#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) && \ + !BOOST_WORKAROUND(__GNUC__, < 3) \ + /**/ + using namespace range_detail; +#endif + return range_begin( r ); +} + +template< class T > +inline BOOST_DEDUCED_TYPENAME range_iterator::type begin( const T& r ) +{ +#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) && \ + !BOOST_WORKAROUND(__GNUC__, < 3) \ + /**/ + using namespace range_detail; +#endif + return range_begin( r ); +} + + } // namespace range_adl_barrier +} // namespace boost + +#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING + +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 +