1
2// Copyright (C) 2009-2012 Lorenzo Caminiti
3// Distributed under the Boost Software License, Version 1.0
4// (see accompanying file LICENSE_1_0.txt or a copy at
5// http://www.boost.org/LICENSE_1_0.txt)
6// Home at http://www.boost.org/libs/local_function
7
8#include <boost/config.hpp>
9#ifdef BOOST_NO_CXX11_VARIADIC_MACROS
10# error "variadic macros required"
11#else
12
13#include <boost/local_function.hpp>
14#include <boost/detail/lightweight_test.hpp>
15#include <algorithm>
16
17//[add_template
18template<typename T>
19T total(const T& x, const T& y, const T& z) {
20 T sum = T(), factor = 10;
21
22 // Must use the `..._TPL` macros within templates.
23 T BOOST_LOCAL_FUNCTION_TPL(const bind factor, bind& sum, T num) {
24 return sum += factor * num;
25 } BOOST_LOCAL_FUNCTION_NAME_TPL(add)
26
27 add(x);
28 T nums[2]; nums[0] = y; nums[1] = z;
29 std::for_each(nums, nums + 2, add);
30
31 return sum;
32}
33//]
34
35int main(void) {
36 BOOST_TEST(total(1, 2, 3) == 60);
37 return boost::report_errors();
38}
39
40#endif // VARIADIC_MACROS
41
42

source code of boost/libs/local_function/test/add_template.cpp