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	`1`	`+# Go可变参数`
	`2`	`+`
	`3`	`+# 一、这是什么`
	`4`	`+这个库为Go中的可变参数提供了一些辅助方法,以便更爽的使用可变参数。`
	`5`	`+`
	`6`	`+# 二、安装`
	`7`	+```bash
	`8`	`+go get -u github.com/golang-infrastructure/go-variable-parameter`
	`9`	+```
	`10`	`+`
	`11`	`+# 三、Example`
	`12`	`+`
	`13`	+```go
	`14`	`+package main`
	`15`	`+`
	`16`	`+import (`
	`17`	`+ "fmt"`
	`18`	`+ variable_parameter "github.com/golang-infrastructure/go-variable-parameter"`
	`19`	`+)`
	`20`	`+`
	`21`	`+type FooOptions struct {`
	`22`	`+ Foo string`
	`23`	`+ Bar int`
	`24`	`+}`
	`25`	`+`
	`26`	`+var DefaultFooOptions = FooOptions{`
	`27`	`+ Foo: "default foo",`
	`28`	`+ Bar: 10,`
	`29`	`+}`
	`30`	`+`
	`31`	`+func Foo(optionsVariableParams ...FooOptions) {`
	`32`	`+ // 如果传递了options则使用传递的,如果没传递则使用默认的`
	`33`	`+ options := variable_parameter.TakeFirstParamOrDefault(optionsVariableParams, DefaultFooOptions)`
	`34`	`+ fmt.Println(options.Foo)`
	`35`	`+}`
	`36`	`+`
	`37`	`+func main() {`
	`38`	`+`
	`39`	`+ // 不传递参数`
	`40`	`+ Foo()`
	`41`	`+`
	`42`	`+ // 传递参数`
	`43`	`+ Foo(FooOptions{Foo: "custom foo"})`
	`44`	`+`
	`45`	`+}`
	`46`	+```
	`47`	`+`
	`48`	`+`

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	`1`	`+package main`
	`2`	`+`
	`3`	`+import (`
	`4`	`+ "fmt"`
	`5`	`+ variable_parameter "github.com/golang-infrastructure/go-variable-parameter"`
	`6`	`+)`
	`7`	`+`
	`8`	`+type FooOptions struct {`
	`9`	`+ Foo string`
	`10`	`+ Bar int`
	`11`	`+}`
	`12`	`+`
	`13`	`+var DefaultFooOptions = FooOptions{`
	`14`	`+ Foo: "default foo",`
	`15`	`+ Bar: 10,`
	`16`	`+}`
	`17`	`+`
	`18`	`+func Foo(optionsVariableParams ...FooOptions) {`
	`19`	`+ // 如果传递了options则使用传递的,如果没传递则使用默认的`
	`20`	`+ options := variable_parameter.TakeFirstParamOrDefault(optionsVariableParams, DefaultFooOptions)`
	`21`	`+ fmt.Println(options.Foo)`
	`22`	`+}`
	`23`	`+`
	`24`	`+func main() {`
	`25`	`+`
	`26`	`+ // 不传递参数`
	`27`	`+ Foo()`
	`28`	`+`
	`29`	`+ // 传递参数`
	`30`	`+ Foo(FooOptions{Foo: "custom foo"})`
	`31`	`+`
	`32`	`+}`

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