2024-06-02 19:56:37 +08:00
|
|
|
package main
|
|
|
|
|
|
|
|
|
|
type T struct {
|
|
|
|
|
s string
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (t T) Invoke() int {
|
|
|
|
|
println("invoke", t.s)
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
2024-06-03 16:03:05 +08:00
|
|
|
func (t *T) Method() {}
|
|
|
|
|
|
2024-06-02 19:56:37 +08:00
|
|
|
type T1 int
|
|
|
|
|
|
|
|
|
|
func (t T1) Invoke() int {
|
|
|
|
|
println("invoke1", t)
|
|
|
|
|
return 1
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type T2 float64
|
|
|
|
|
|
|
|
|
|
func (t T2) Invoke() int {
|
|
|
|
|
println("invoke2", t)
|
|
|
|
|
return 2
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type T3 int8
|
|
|
|
|
|
|
|
|
|
func (t *T3) Invoke() int {
|
|
|
|
|
println("invoke3", *t)
|
|
|
|
|
return 3
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
type I interface {
|
|
|
|
|
Invoke() int
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func main() {
|
|
|
|
|
var t = T{"hello"}
|
|
|
|
|
var t1 = T1(100)
|
|
|
|
|
var t2 = T2(100.1)
|
|
|
|
|
var t3 = T3(127)
|
|
|
|
|
invoke(t)
|
|
|
|
|
invoke(&t)
|
|
|
|
|
invoke(t1)
|
|
|
|
|
invoke(&t1)
|
|
|
|
|
invoke(t2)
|
|
|
|
|
invoke(&t2)
|
|
|
|
|
invoke(&t3)
|
2024-06-03 16:03:05 +08:00
|
|
|
var m M
|
|
|
|
|
var i I = m
|
|
|
|
|
println(i, m)
|
|
|
|
|
m = &t
|
|
|
|
|
invoke(m)
|
2024-06-05 22:24:51 +08:00
|
|
|
var a any = T{"world"}
|
|
|
|
|
invoke(a.(I))
|
|
|
|
|
invoke(a.(interface{}).(interface{ Invoke() int }))
|
|
|
|
|
//panic
|
2024-06-03 16:03:05 +08:00
|
|
|
invoke(nil)
|
2024-06-02 19:56:37 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func invoke(i I) {
|
|
|
|
|
println(i.Invoke())
|
|
|
|
|
}
|
2024-06-03 16:03:05 +08:00
|
|
|
|
|
|
|
|
type M interface {
|
|
|
|
|
Invoke() int
|
|
|
|
|
Method()
|
|
|
|
|
}
|