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author | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
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committer | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
commit | 08c1e93fa36a49f49325a07fe91ff92c964c2b6c (patch) | |
tree | 7a7053ceb8874b28ec4b868d4c49b500008a102e /boost/proto/functional/range/size.hpp | |
parent | bb4dd8289b351fae6b55e303f189127a394a1edd (diff) | |
download | boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.gz boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.bz2 boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.zip |
Imported Upstream version 1.57.0upstream/1.57.0
Diffstat (limited to 'boost/proto/functional/range/size.hpp')
-rw-r--r-- | boost/proto/functional/range/size.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/boost/proto/functional/range/size.hpp b/boost/proto/functional/range/size.hpp new file mode 100644 index 0000000000..3fcdda1159 --- /dev/null +++ b/boost/proto/functional/range/size.hpp @@ -0,0 +1,45 @@ +/////////////////////////////////////////////////////////////////////////////// +/// \file size.hpp +/// Proto callables for boost::size() +// +// Copyright 2012 Eric Niebler. Distributed under 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) + +#ifndef BOOST_PROTO_FUNCTIONAL_RANGE_SIZE_HPP_EAN_27_08_2012 +#define BOOST_PROTO_FUNCTIONAL_RANGE_SIZE_HPP_EAN_27_08_2012 + +#include <boost/range/size.hpp> +#include <boost/proto/proto_fwd.hpp> + +namespace boost { namespace proto { namespace functional +{ + + // A PolymorphicFunctionObject that wraps boost::size() + struct size + { + BOOST_PROTO_CALLABLE() + + template<typename Sig> + struct result; + + template<typename This, typename Rng> + struct result<This(Rng)> + : boost::range_size<Rng> + {}; + + template<typename This, typename Rng> + struct result<This(Rng &)> + : boost::range_size<Rng> + {}; + + template<typename Rng> + typename boost::range_size<Rng>::type operator()(Rng const &rng) const + { + return boost::size(rng); + } + }; + +}}} + +#endif |