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構造体の埋め込みの例
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package main | |
import ( | |
"encoding/json" | |
"fmt" | |
) | |
type Header struct { | |
ID int | |
Name string | |
} | |
type Foo struct { | |
Header | |
FooValue int | |
} | |
type Bar struct { | |
Header | |
BarValue string | |
} | |
func initHeader(h *Header) { | |
h.ID = 1234 | |
h.Name = "hello" | |
} | |
func InitFoo(foo *Foo) { | |
initHeader(&foo.Header) | |
foo.FooValue = 100 | |
} | |
func InitBar(bar *Bar) { | |
initHeader(&bar.Header) | |
bar.BarValue = "bar" | |
} | |
func main() { | |
foo := Foo{} | |
InitFoo(&foo) | |
fmt.Printf("foo:\n%+v\n", foo) | |
b, err := json.Marshal(&foo) | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
fmt.Println(string(b)) | |
bar := Bar{} | |
InitBar(&bar) | |
fmt.Printf("bar:\n%+v\n", bar) | |
b, err = json.Marshal(&bar) | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
fmt.Println(string(b)) | |
} |
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