pure funtion

标签：call   bsp   val   func   tin   glob   calling   The   lin   

A function is called pure function if it always returns the same result for same argument values and it has no side effects like modifying an argument (or global variable) or outputting something. The only result of calling a pure function is the return value.

https://cn.bing.com/search?q=pure+function&go=Search&qs=n&sp=-1&pq=pure+function&sc=8-13&sk=&cvid=1AFE1068896840E6815D18D1B9DA9B5D&first=7&FORM=PORE

只做计算；

不做赋值；

修改和定义的内容只能是计算结果和内部中间变量

pure funtion

标签：call   bsp   val   func   tin   glob   calling   The   lin   

原文地址：https://www.cnblogs.com/feng9exe/p/11252134.html