本文主要是介绍Singleton,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
#include <iostream>
#include <cassert>
class Singleton
{
public:
static Singleton& Instance()
{
static Singleton instance;
return instance;
}
public:
Singleton(const Singleton&) = delete;
Singleton(Singleton&&) = delete;
Singleton& operator=(const Singleton&) = delete;
Singleton& operator=(Singleton&&) = delete;
private:
Singleton() = default;
~Singleton() = default;
};
int main()
{
auto& a = Singleton::Instance();
auto& b = Singleton::Instance();
assert(&a == &b);
return 0;
}
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