You then can call the functions using standard function call syntax, by combining this prefix with the name of the method to be invoked. 然后通过组合该前缀与被调用方法的名称,可以使用标准的函数调用语法调用函数。
Binary arithmetic operators behave like a function call that accepts two parameters of the same type, and then return that type; however, the syntax is slightly different. 二进制算术运算;二进制运算;二进制运算操作二进制算术运算类似调用同一个类的两个参数,然后返回那个类,但是,语法有些不同。
Just as iterators are a generalization of pointers, function objects are a generalization of functions: a function object is anything that you can call using the ordinary function call syntax. 正像iterators是指针的一般化,函数对象是函数的一般化:一个函数对象是你可以使用普通函数调用语法。