go的变量作用域
发布时间:2020-12-16 18:59:34 所属栏目:大数据 来源:网络整理
导读:go的变量作用域是花括号确定的,任一变量的作用域只在自身所处的花括号范围内 if,for等可以有初始化表达式的,其作用域还要高于其后的花括号一层 package mainfunc main() {x:=1println(x)for x:=3;;{print(x," ")break}println(x)if x:=5; true {print(x," "
go的变量作用域是花括号确定的,任一变量的作用域只在自身所处的花括号范围内
if,for等可以有初始化表达式的,其作用域还要高于其后的花括号一层 package main func main() { x:=1 println(x) for x:=3;;{ print(x," ") break } println(x) if x:=5; true { print(x," ") } println(x) for { x:=7 print(x," ") break } println(x) if true { x:=9 print(x," ") } println(x) if x:=2; true { print(x," ") x:="abc" print(x," ") } println(x) for x:=4;; { print(x," ") x:="def" print(x," ") break } println(x) } // 1 // 3 1 // 5 1 // 7 1 // 9 1 // 2 abc 1 // 4 def 1 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |