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πŸ‘£ Print struct variables in Go

introduction strings go-spew

Standard fmt.Print() does not print variable names of Go structs, but it does not mean you cannot do that. To print struct variables in Go, you can use the following methods:

See the example below and compare these three options.

package main

import (


type Fruit struct {
    Name    string
    color   string
    Similar *Fruit

func main() {
    strawberry := Fruit{
        Name:    "strawberry",
        color:   "red",
        Similar: nil,

    raspberry := Fruit{
        Name:    "raspberry",
        color:   "pink",
        Similar: &strawberry,

    // fmt.Printf with format verbs
    fmt.Printf("fmt.Printf with format verbs\n")
    fmt.Printf("%+v\n%#v\n", raspberry, raspberry)

    // json encoding
    fmt.Printf("---\njson encoding\n")
    jsonData, err := json.Marshal(&raspberry)
    if err != nil {

    // go-spew


fmt.Printf with format verbs
{Name:raspberry color:pink Similar:0xc000070390}
main.Fruit{Name:"raspberry", color:"pink", Similar:(*main.Fruit)(0xc000070390)}
json encoding
(main.Fruit) {
 Name: (string) (len=9) "raspberry",
 color: (string) (len=4) "pink",
 Similar: (*main.Fruit)(0xc000070390)({
  Name: (string) (len=10) "strawberry",
  color: (string) (len=3) "red",
  Similar: (*main.Fruit)(<nil>)

Note the differences:

Depending on your use case, you should choose the method that suits you best.

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