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_FUNCTION_COUNTED_FUNCTION_HPP_INCLUDED |
12 | #define BOOST_RANGE_TEST_FUNCTION_COUNTED_FUNCTION_HPP_INCLUDED |
13 | |
14 | namespace boost |
15 | { |
16 | namespace range_test_function |
17 | { |
18 | |
19 | class counted_function |
20 | { |
21 | public: |
22 | counted_function() : m_count(0u) {} |
23 | |
24 | void invoked() const |
25 | { |
26 | ++m_count; |
27 | } |
28 | |
29 | // Return the number of times that this function object |
30 | // has been invoked. |
31 | unsigned int invocation_count() const { return m_count; } |
32 | |
33 | private: |
34 | mutable unsigned int m_count; |
35 | }; |
36 | |
37 | } |
38 | } |
39 | |
40 | #endif // include guard |
41 | |