1 // Boost.Range library 2 // 3 // Copyright Neil Groves 2009. Use, modification and 4 // distribution is subject to the Boost Software License, Version 5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at 6 // http://www.boost.org/LICENSE_1_0.txt) 7 // 8 // 9 // For more information, see http://www.boost.org/libs/range/ 10 // 11 #ifndef BOOST_RANGE_TEST_TEST_FUNCTION_MULTIPLY_BY_X_HPP_INCLUDED 12 #define BOOST_RANGE_TEST_TEST_FUNCTION_MULTIPLY_BY_X_HPP_INCLUDED 13 14 namespace boost 15 { 16 namespace range_test_function 17 { 18 template< class Arg > 19 struct multiply_by_x 20 { 21 typedef Arg result_type; 22 typedef Arg argument_type; 23 multiply_by_xboost::range_test_function::multiply_by_x24 explicit multiply_by_x(Arg x) : m_x(x) {} operator ()boost::range_test_function::multiply_by_x25 Arg operator()(Arg x) const { return x * m_x; } 26 private: 27 Arg m_x; 28 }; 29 } 30 } 31 32 #endif // include guard 33