JSON / Custom JSON marshaling / Essential Go

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package main import ( "encoding/json" "fmt" "log" ) type MyStruct struct { uuid string Name string } func (m MyStruct) MarshalJSON() ([]byte, error) { j, err := json.Marshal(struct { Uuid string Name string }{ Uuid: m.uuid, Name: m.Name, }) if err != nil { return nil, err } return j, nil } func main() { s := MyStruct{ uuid: "uid-john", Name: "John", } d, err := json.Marshal(&s) if err != nil { log.Fatalf("json.MarshalIndent failed with '%s'\n", err) } fmt.Printf("Person in compact JSON: %s\n", string(d)) }
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