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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                Golang 接口技巧 : 讓編譯器檢查,以確保某個類型實現接口。 ~~~ var _ fmt.Stringer = (*Data)(nil) ~~~ ~~~ package main import "fmt" type Data struct { id int name string } func (self *Data) String() string { return fmt.Sprintf("%d, %s", self.id, self.name) } func main() { var _ fmt.Stringer = (*Data)(nil) } ~~~ 某些時候,讓函數直接 "實現" 接口能省不少事。 ~~~ package main type Tester interface { Do() } type FuncDo func() func (self FuncDo) Do() { self() } func main() { var t Tester = FuncDo(func() { println("Hello, World!") }) t.Do() } ~~~ 輸出結果: ~~~ Hello, World! ~~~
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