llvm-project
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1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// <map>
10
11// value_compare value_comp() const;
12
13#include <map>
14#include <cassert>
15#include <string>
16
17int main(int, char**) {
18typedef std::map<int, std::string> map_type;
19
20map_type m;
21std::pair<map_type::iterator, bool> p1 = m.insert(map_type::value_type(1, "abc"));
22std::pair<map_type::iterator, bool> p2 = m.insert(map_type::value_type(2, "abc"));
23
24const map_type& cm = m;
25
26assert(cm.value_comp()(*p1.first, *p2.first));
27assert(!cm.value_comp()(*p2.first, *p1.first));
28
29return 0;
30}
31