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// Range v3 library
//
// Copyright Eric Niebler 2014
//
// 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 <range/v3/algorithm/equal.hpp>
#include <range/v3/algorithm/unstable_remove_if.hpp>
#include <range/v3/view/subrange.hpp>
#include "../array.hpp"
#include "../simple_test.hpp"
constexpr bool is_even(int i)
{
return i % 2 == 0;
}
constexpr bool test_constexpr()
{
using IL = std::initializer_list<int>;
test::array<int, 5> arr{{1, 2, 3, 4, 5}};
const auto it = ranges::unstable_remove_if(arr, is_even);
STATIC_CHECK_RETURN(it == arr.begin() + 3);
STATIC_CHECK_RETURN(
ranges::equal(ranges::make_subrange(arr.begin(), it), IL{1, 5, 3}));
return true;
}
int main()
{
STATIC_CHECK(test_constexpr());
return test_result();
}
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