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34 lines
876 B
34 lines
876 B
/* |
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An output iterator which simply discards output. |
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*/ |
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// Copyright Frank Mori Hess 2008. |
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// Distributed under the Boost Software License, Version |
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// See http://www.boost.org/libs/signals2 for library home page. |
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#ifndef BOOST_SIGNALS2_NULL_OUTPUT_ITERATOR_HPP |
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#define BOOST_SIGNALS2_NULL_OUTPUT_ITERATOR_HPP |
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#include <boost/function_output_iterator.hpp> |
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namespace boost |
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{ |
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namespace signals2 |
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{ |
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namespace detail |
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{ |
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class does_nothing |
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{ |
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public: |
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template<typename T> |
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void operator()(const T&) const |
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{} |
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}; |
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typedef boost::function_output_iterator<does_nothing> null_output_iterator; |
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} // namespace detail |
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} // namespace signals2 |
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} // namespace boost |
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#endif // BOOST_SIGNALS2_NULL_OUTPUT_ITERATOR_HPP
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