1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81


package main



import (

    "fmt"

    "reflect"

)



type initial interface {

    Init()

}



func triggerInitials(c interface{}) {

    rv := reflect.ValueOf(c)

    if rv.Kind() == reflect.Ptr {

        rv = rv.Elem()

    }

    for i := 0; i < rv.NumField(); i++ {

        value := rv.Field(i)

        if conf, ok := value.Interface().(initial); ok {

            conf.Init()

        }

    }

}



type A struct {



}



func (a *A) Init() {

    fmt.Println("Init A")

}



type B struct {

    AA *A

}



func main() {

    b := B{}

    triggerInitials(b)

}