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// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/for_each.hpp>
#include "../array.hpp"
#include "../simple_test.hpp"
#include "../test_iterators.hpp"
struct S
{
void p() const { *p_ += i_; }
int *p_;
int i_;
};
constexpr int void_f(int const &)
{
return 3;
}
int main()
{
int sum = 0;
auto fun = [&](int i){sum += i; };
std::vector<int> v1 { 0, 2, 4, 6 };
CHECK(ranges::for_each(v1.begin(), v1.end(), fun).in == v1.end());
CHECK(ranges::for_each(v1, fun).in == v1.end());
CHECK(sum == 24);
sum = 0;
auto rfun = [&](int & i){sum += i; };
CHECK(ranges::for_each(v1.begin(), v1.end(), rfun).in == v1.end());
CHECK(ranges::for_each(v1, rfun).in == v1.end());
CHECK(sum == 24);
sum = 0;
std::vector<S> v2{{&sum, 0}, {&sum, 2}, {&sum, 4}, {&sum, 6}};
CHECK(ranges::for_each(v2.begin(), v2.end(), &S::p).in == v2.end());
CHECK(ranges::for_each(v2, &S::p).in == v2.end());
CHECK(sum == 24);
sum = 0;
CHECK(::is_dangling(ranges::for_each(::MakeTestRange(v1.begin(), v1.end()), fun).in));
CHECK(sum == 12);
{
constexpr auto rng = test::array<int, 4>{{0, 2, 4, 6}};
STATIC_CHECK(ranges::for_each(rng, void_f).in == ranges::end(rng));
}
return ::test_result();
}
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