| 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/local_function.hpp> |
| 9 | #include <boost/detail/lightweight_test.hpp> |
| 10 | #include <algorithm> |
| 11 | #include <vector> |
| 12 | |
| 13 | int main(void) { |
| 14 | int offset = 5; |
| 15 | std::vector<int> v; |
| 16 | std::vector<int> w; |
| 17 | |
| 18 | for(int i = 1; i <= 2; ++i) v.push_back(x: i * 10); |
| 19 | BOOST_TEST(v[0] == 10); BOOST_TEST(v[1] == 20); |
| 20 | w.resize(new_size: v.size()); |
| 21 | |
| 22 | int BOOST_LOCAL_FUNCTION( (const bind& offset) (int i) ) { |
| 23 | return ++i + offset; |
| 24 | } BOOST_LOCAL_FUNCTION_NAME(inc) |
| 25 | |
| 26 | std::transform(first: v.begin(), last: v.end(), result: w.begin(), unary_op: inc); |
| 27 | BOOST_TEST(w[0] == 16); BOOST_TEST(w[1] == 26); |
| 28 | |
| 29 | int BOOST_LOCAL_FUNCTION( (bind& inc) (int i) (int j) ) { |
| 30 | return inc(i + j); |
| 31 | } BOOST_LOCAL_FUNCTION_NAME(inc_sum) |
| 32 | |
| 33 | offset = 0; |
| 34 | std::transform(first1: v.begin(), last1: v.end(), first2: w.begin(), result: v.begin(), binary_op: inc_sum); |
| 35 | BOOST_TEST(v[0] == 27); BOOST_TEST(v[1] == 47); |
| 36 | |
| 37 | return boost::report_errors(); |
| 38 | } |
| 39 | |
| 40 |