scoped_thread实例

java 程序员风格

Rvalue references 解决非必要的拷贝 当赋值右手边是一个"右值",左手边对象可以偷右手边对象,而不需要重新分配内存。 浅copy

独立出函数 分配和释放不在一个函数里

函数异常可以抛出去由主函数来处理

纯虚函数

纯虚函数

编译器无法优化

编译器可以优化 返回值移动出去

编译器可以优化 返回值移动出去

获取当前计数

constexpr const method - can't chanage the values of object fields and can be evaluated at compile time.

Similarly, there may be other types of employees We need a very simple function to increment salary of all employees Note that emp[] is an array of po

Similarly, there may be other types of employees We need a very simple function to increment salary of all employees Note that emp[] is an array of po

参数type相同的maximum