Commit 4869afa

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add ReturnByFunc

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Lines changed: 15 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -14,3 +14,18 @@ func Return[T any](boolExpression bool, trueReturnValue, falseReturnValue T) T {`
`14`	`14`	`return falseReturnValue`
`15`	`15`	`}`
`16`	`16`	`}`
	`17`	`+`
	`18`	`+// ReturnByFunc`
	`19`	`+//`
	`20`	`+// @Description: if实现的三元表达式`
	`21`	`+// @param boolExpression: 布尔表达式,最终返回一个布尔值`
	`22`	`+// @param trueReturnValue: 当boolExpression返回值为true的时候执行此函数并返回值`
	`23`	`+// @param falseReturnValue: 当boolExpression返回值为false的时候执行此函数并返回值`
	`24`	`+// @return bool: 三元表达式的结果,为trueReturnValue或者falseReturnValue中的一个`
	`25`	`+func ReturnByFunc[T any](boolExpression bool, trueFuncForReturnValue, falseFuncForReturnValue func() T) T {`
	`26`	`+ if boolExpression {`
	`27`	`+ return trueFuncForReturnValue()`
	`28`	`+ } else {`
	`29`	`+ return falseFuncForReturnValue()`
	`30`	`+ }`
	`31`	`+}`

Lines changed: 9 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -27,3 +27,12 @@ func ExampleReturn() {`
`27`	`27`	`// v = Return[string](m["bad"] == nil, m["bar"], "aaa") // m["bar"]的类型不对`
`28`	`28`	`// t.Log(v)`
`29`	`29`	`//}`
	`30`	`+`
	`31`	`+func TestReturnByFunc(t *testing.T) {`
	`32`	`+ r := ReturnByFunc[string](true, func() string {`
	`33`	`+ return "是"`
	`34`	`+ }, func() string {`
	`35`	`+ return "否"`
	`36`	`+ })`
	`37`	`+ fmt.Println(r)`
	`38`	`+}`

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