package main
import (
"fmt"
)
type A interface {
Get()
}
type B struct {
}
func (b *B) Get () {
fmt.Println("b")
}
type C struct {
}
func (c *C) Get () {
fmt.Println("c")
}
func main() {
var a A = &B{}
a.Get()
var aa A = &C{}
aa.Get()
}
输出结果：
b c