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34 lines
883 B
34 lines
883 B
// (C) Copyright John Maddock 2005. |
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// Use, modification and distribution are subject to the |
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// Boost Software License, Version 1.0. (See accompanying file |
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_TR1_FUNCTOR_IT_HPP_INCLUDED |
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# define BOOST_TR1_FUNCTOR_IT_HPP_INCLUDED |
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# include <boost/iterator/iterator_facade.hpp> |
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namespace boost{ namespace tr1_details{ |
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template <class Func, class R> |
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struct functor2iterator : boost::iterator_facade<functor2iterator<Func,R>, const R, std::input_iterator_tag> |
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{ |
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functor2iterator() : m_func(0){} |
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functor2iterator(Func& f) |
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: m_func(&f) |
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{ |
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m_val = (*m_func)(); |
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} |
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const R& dereference()const |
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{ return m_val; } |
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void increment(){ m_val = (*m_func)(); } |
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bool equal(const functor2iterator&)const |
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{ return false; } |
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private: |
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Func* m_func; |
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R m_val; |
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}; |
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} } |
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#endif
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