Example of using omitempty tag wihout using pointers in structs

withoutusingpointersinstruct.go

package main

import (
	"encoding/json"
	"fmt"
)

type BMI struct {
  Height int
  Weight int
}

type Person struct {
  Name string
  Age int `json:",omitempty"`
  BodyMassIndex BMI `json:",omitempty"`
}

func main() {
  p := Person{
    Name: "Nikhil",
  }
  
  b, _ := json.Marshal(p)
  fmt.Println(string(b))
}


//Ouput
- {"Name":"Nikhil","BodyMassIndex":{"Height":0,"Weight":0}}