annotate DEPENDENCIES/generic/include/boost/tr1/detail/functor2iterator.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 // (C) Copyright John Maddock 2005.
Chris@16 2 // Use, modification and distribution are subject to the
Chris@16 3 // Boost Software License, Version 1.0. (See accompanying file
Chris@16 4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 5
Chris@16 6 #ifndef BOOST_TR1_FUNCTOR_IT_HPP_INCLUDED
Chris@16 7 # define BOOST_TR1_FUNCTOR_IT_HPP_INCLUDED
Chris@16 8
Chris@16 9 # include <boost/iterator/iterator_facade.hpp>
Chris@16 10
Chris@16 11 namespace boost{ namespace tr1_details{
Chris@16 12
Chris@16 13 template <class Func, class R>
Chris@16 14 struct functor2iterator : boost::iterator_facade<functor2iterator<Func,R>, const R, std::input_iterator_tag>
Chris@16 15 {
Chris@16 16 functor2iterator() : m_func(0){}
Chris@16 17 functor2iterator(Func& f)
Chris@16 18 : m_func(&f)
Chris@16 19 {
Chris@16 20 m_val = (*m_func)();
Chris@16 21 }
Chris@16 22 const R& dereference()const
Chris@16 23 { return m_val; }
Chris@16 24 void increment(){ m_val = (*m_func)(); }
Chris@16 25 bool equal(const functor2iterator&)const
Chris@16 26 { return false; }
Chris@16 27 private:
Chris@16 28 Func* m_func;
Chris@16 29 R m_val;
Chris@16 30 };
Chris@16 31
Chris@16 32 } }
Chris@16 33
Chris@16 34 #endif