libs/local_function/test/transform_seq.cpp
// Copyright (C) 2009-2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/local_function
#include <boost/local_function.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <algorithm>
#include <vector>
int main(void) {
int offset = 5;
std::vector<int> v;
std::vector<int> w;
for(int i = 1; i <= 2; ++i) v.push_back(i * 10);
BOOST_TEST(v[0] == 10); BOOST_TEST(v[1] == 20);
w.resize(v.size());
int BOOST_LOCAL_FUNCTION( (const bind& offset) (int i) ) {
return ++i + offset;
} BOOST_LOCAL_FUNCTION_NAME(inc)
std::transform(v.begin(), v.end(), w.begin(), inc);
BOOST_TEST(w[0] == 16); BOOST_TEST(w[1] == 26);
int BOOST_LOCAL_FUNCTION( (bind& inc) (int i) (int j) ) {
return inc(i + j);
} BOOST_LOCAL_FUNCTION_NAME(inc_sum)
offset = 0;
std::transform(v.begin(), v.end(), w.begin(), v.begin(), inc_sum);
BOOST_TEST(v[0] == 27); BOOST_TEST(v[1] == 47);
return boost::report_errors();
}