//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <map>
// key_compare key_comp() const;
#include <map>
#include <cassert>
#include <string>
int main(int, char**) {
typedef std::map<int, std::string> map_type;
map_type m;
std::pair<map_type::iterator, bool> p1 = m.insert(map_type::value_type(1, "abc"));
std::pair<map_type::iterator, bool> p2 = m.insert(map_type::value_type(2, "abc"));
const map_type& cm = m;
assert(cm.key_comp()(p1.first->first, p2.first->first));
assert(!cm.key_comp()(p2.first->first, p1.first->first));
return 0;
}