annotate DEPENDENCIES/generic/include/boost/proto/functional/range/empty.hpp @ 125:34e428693f5d vext

Vext -> Repoint
author Chris Cannam
date Thu, 14 Jun 2018 11:15:39 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 ///////////////////////////////////////////////////////////////////////////////
Chris@16 2 /// \file empty.hpp
Chris@16 3 /// Proto callables for boost::empty()
Chris@16 4 //
Chris@16 5 // Copyright 2012 Eric Niebler. Distributed under the Boost
Chris@16 6 // Software License, Version 1.0. (See accompanying file
Chris@16 7 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 8
Chris@16 9 #ifndef BOOST_PROTO_FUNCTIONAL_RANGE_EMPTY_HPP_EAN_27_08_2012
Chris@16 10 #define BOOST_PROTO_FUNCTIONAL_RANGE_EMPTY_HPP_EAN_27_08_2012
Chris@16 11
Chris@16 12 #include <boost/range/empty.hpp>
Chris@16 13 #include <boost/proto/proto_fwd.hpp>
Chris@16 14
Chris@16 15 namespace boost { namespace proto { namespace functional
Chris@16 16 {
Chris@16 17
Chris@16 18 // A PolymorphicFunctionObject that wraps boost::empty()
Chris@16 19 struct empty
Chris@16 20 {
Chris@16 21 BOOST_PROTO_CALLABLE()
Chris@16 22
Chris@16 23 typedef bool result_type;
Chris@16 24
Chris@16 25 template<typename Rng>
Chris@16 26 bool operator()(Rng const &rng) const
Chris@16 27 {
Chris@16 28 return boost::empty(rng);
Chris@16 29 }
Chris@16 30 };
Chris@16 31
Chris@16 32 }}}
Chris@16 33
Chris@16 34 #endif