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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <map>
// class map
// template<typename K>
// size_type count(const K& x) const; // C++14
#include <cassert>
#include <map>
#include <utility>
#include "min_allocator.h"
#include "private_constructor.hpp"
#include "test_macros.h"
struct Comp {
using is_transparent = void;
bool operator()(const std::pair<int, int> &lhs,
const std::pair<int, int> &rhs) const {
return lhs < rhs;
}
bool operator()(const std::pair<int, int> &lhs, int rhs) const {
return lhs.first < rhs;
}
bool operator()(int lhs, const std::pair<int, int> &rhs) const {
return lhs < rhs.first;
}
};
int main() {
std::map<std::pair<int, int>, int, Comp> s{
{{2, 1}, 1}, {{1, 2}, 2}, {{1, 3}, 3}, {{1, 4}, 4}, {{2, 2}, 5}};
auto cnt = s.count(1);
assert(cnt == 3);
}
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