| 1 | // Boost.Range library |
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| 2 | // |
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| 3 | // Copyright Neil Groves 2009. Use, modification and |
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| 4 | // distribution is subject to the Boost Software License, Version |
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| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | // |
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| 8 | // |
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| 9 | // For more information, see http://www.boost.org/libs/range/ |
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| 10 | // |
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| 11 | #ifndef BOOST_RANGE_TEST_TEST_FUNCTION_MULTIPLY_BY_X_HPP_INCLUDED |
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| 12 | #define BOOST_RANGE_TEST_TEST_FUNCTION_MULTIPLY_BY_X_HPP_INCLUDED |
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| 13 | |
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| 14 | namespace boost |
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| 15 | { |
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| 16 | namespace range_test_function |
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| 17 | { |
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| 18 | template< class Arg > |
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| 19 | struct multiply_by_x |
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| 20 | { |
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| 21 | typedef Arg result_type; |
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| 22 | typedef Arg argument_type; |
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| 23 | |
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| 24 | explicit multiply_by_x(Arg x) : m_x(x) {} |
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| 25 | Arg operator()(Arg x) const { return x * m_x; } |
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| 26 | private: |
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| 27 | Arg m_x; |
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| 28 | }; |
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| 29 | } |
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| 30 | } |
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| 31 | |
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| 32 | #endif // include guard |
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| 33 | |
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