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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef DEFAULTONLY_H
#define DEFAULTONLY_H
#include <cassert>
class DefaultOnly
{
int data_;
DefaultOnly(const DefaultOnly&);
DefaultOnly& operator=(const DefaultOnly&);
public:
static int count;
DefaultOnly() : data_(-1) {++count;}
~DefaultOnly() {data_ = 0; --count;}
friend bool operator==(const DefaultOnly& x, const DefaultOnly& y)
{return x.data_ == y.data_;}
friend bool operator< (const DefaultOnly& x, const DefaultOnly& y)
{return x.data_ < y.data_;}
};
int DefaultOnly::count = 0;
#endif // DEFAULTONLY_H
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