main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package main
import (
"encoding/json"
"fmt"
)
type permissions map[string]bool // #3
type user struct { // #1
Name string `json:"username"`
Password string `json:"-"`
Permissions permissions `json:"perms,omitempty"` // #6
// name string // #1
// password string // #1
// permissions // #3
}
func main() {
users := []user{ // #2
{"inanc", "1234", nil},
{"god", "42", permissions{"admin": true}},
{"devil", "66", permissions{"write": true}},
}
// out, err := json.Marshal(users) // #4
out, err := json.MarshalIndent(users, "", "\t") // #5
if err != nil { // #4
fmt.Println(err)
return
}
fmt.Println(string(out)) // #4
}
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