forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
930 B
C++
36 lines
930 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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
|