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_EQUAL_TO_X_HPP_INCLUDED
12#define BOOST_RANGE_TEST_TEST_FUNCTION_EQUAL_TO_X_HPP_INCLUDED
13
14namespace boost
15{
16 namespace range_test_function
17 {
18 template<class Arg>
19 struct equal_to_x
20 {
21 typedef bool result_type;
22 typedef Arg argument_type;
23
24 explicit equal_to_x(Arg x) : m_x(x) {}
25 bool operator()(Arg x) const { return x == m_x; }
26
27 private:
28 Arg m_x;
29 };
30 }
31}
32
33#endif // include guard
34

source code of boost/libs/range/test/test_function/equal_to_x.hpp