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🎨 go-05

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go-05
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- loop_test.go

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`‎go-05/1.md‎`

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	`1`	`+<a href="https://github.com/java-aodeng/golang-examples">第05章条件和循环</a>`
	`2`	`+`
	`3`	`+## .序:`
	`4`	`+开源协议:GPL-3.0`
	`5`	`+`
	`6`	`+地址:[<a href="https://github.com/java-aodeng/golang-examples">golang-examples</a>] https://github.com/java-aodeng/golang-examples`
	`7`	`+`
	`8`	`+作者:[<a href="https://github.com/java-aodeng">低调小熊猫</a>] https://github.com/java-aodeng`
	`9`	`+`
	`10`	`+意义:分享知识,提升自己`
	`11`	`+`
	`12`	`+## 1.1 循环`
	`13`	`+与其他主要编程语言的差异`
	`14`	`+`
	`15`	`+- go语言仅支持循环关键字for`
	`16`	`+`
	`17`	+```
	`18`	`+func TestWhileLoop(t *testing.T) {`
	`19`	`+ n:=0`
	`20`	`+ for n < 5 {`
	`21`	`+ t.Log(n)`
	`22`	`+ n++`
	`23`	`+ }`
	`24`	`+}`
	`25`	+```
	`26`	`+## 1.2 if条件`
	`27`	`+与其他主要编程语言的差异`
	`28`	`+`
	`29`	`+- condition表达式结果必须为布尔值`
	`30`	`+`
	`31`	`+- 支持变量赋值`
	`32`	`+`
	`33`	`+两段式写法,支持函数写法`
	`34`	+```
	`35`	`+func TestCondition(t *testing.T) {`
	`36`	`+ if a :=1==1;a {`
	`37`	`+ t.Log(a,"1")`
	`38`	`+ }else {`
	`39`	`+ t.Log(a,"2")`
	`40`	`+ }`
	`41`	`+}`
	`42`	+```
	`43`	`+`
	`44`	`+## 1.3 switch条件`
	`45`	`+与其他主要编程语言的差异`
	`46`	`+`
	`47`	`+- 条件表达式不限制为常量或者整数`
	`48`	`+- 单个case中,可以出现多个结果选项,使用逗号分隔`
	`49`	`+- 与c语言等规则相反,go语言不需要用break来确定退出一个case`
	`50`	`+- 可以不设定switch之后的条件表达式,在此种情况下,整个switch结构与多个if else 的逻辑作用相同`

`‎go-05/loop_test.go‎`

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	`1`	`+package go_05`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+func TestWhileLoop(t *testing.T) {`
	`6`	`+ n:=0`
	`7`	`+ for n < 5 {`
	`8`	`+ t.Log(n)`
	`9`	`+ n++`
	`10`	`+ }`
	`11`	`+}`
	`12`	`+`
	`13`	`+func TestCondition(t *testing.T) {`
	`14`	`+ if a :=1==1;a {`
	`15`	`+ t.Log(a,"1")`
	`16`	`+ }else {`
	`17`	`+ t.Log(a,"2")`
	`18`	`+ }`
	`19`	`+}`
	`20`	`+`
	`21`	`+func TestSwitch(t *testing.T) {`
	`22`	`+`
	`23`	`+}`

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`‎go-05/1.md‎`

`‎go-05/loop_test.go‎`

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