Go-包含切片的接口不会编译

Question

type MyType interface {
    MyStringSlice []string
}

What is wrong with this? 这有什么问题？

It works well as a struct as in: 它可以很好地用作以下结构：

type MyType struct {
    MyStringSlice []string
}

but compiles with the following error when set as interface: 但设置为接口时会编译，并显示以下错误：

syntax error: unexpected [, expecting (

Answer 1

An interface can only hold methods or other interfaces. 一个接口只能保存方法或其他接口。 Have a look at the Language Specification . 看一下语言规范。