<body> <canvas id=" style="border:1px solid #c3c3c3;"> Your browser does not support the canvas element. </canvas> <script type="text/javascript"> var c = document.getElementById("myCanvas"); var
先来看一段简单的代码: local Animal = {} function Animal:Eat( food ) print("Animal:Eat", self, food) end function Animal.Sleep( time ) print("Animal.Sleep", self, time) end Animal:Eat("grass") Animal.Eat("grass") Animal:Sleep(
c++语言中运算符重载都是通过函数来实现的,所以其实质为函数重载,当c++语言原有的一个运算符被重载之后,它原来所具有的语义并没有消失,只相当于针对一个特定的类定义了一个新的运算符. <1>用成员函数重载运算符 例1: #include <iostream> using namespace std; class RMB{ public: RMB(unsigned int d,unsigned int c); RMB operator+(RMB&); RMB& ope