Pretty JSON output using golang

json_to_pretty.go

package main

import (
    "bytes"
    "encoding/json"
    "log"
    "os"
    "fmt"
)

func main() {
    type People struct {
        FirstName  string
        LastName   string
        Age         int
    }
    people := []People{
        {"John", "Smith", 42},
        {"Jane", "Doe", 34},
        {"Janie", "Smith", 9},
        {"Johnny", "Smith", 5},
    }
    b, err := json.Marshal(people)
    if err != nil {
        log.Fatal(err)
    }
    var out bytes.Buffer
    json.Indent(&out, b, "", "\t")
    out.WriteTo(os.Stdout)
    fmt.Println("") //hack to get newline at end of output
}

Try it out: https://play.golang.org/p/UkrT-bMxNm