标签：sub fun block lock int first turn return function
func add(x int, y int) int { return x + y }
func sub(x, y int) (z int) { z = x - y; return z}
func first(x int, _ int) int { return x }
func zero(int ,int) int { return 0 }
标签：sub fun block lock int first turn return function
原文地址：https://www.cnblogs.com/person3/p/9235365.html
