Accessing Go Struct Tags

struct_tags_example.go

package main

import (
 "fmt"
 "reflect"
)

type Person struct {
  FirstName string `json:"first_name"`
  LastName string `json:"last_name"`
  Email string `json:"email"`
}

person := Person{}
sr := reflect.TypeOf(person)

// Get the first field in the struct, FirstName
field := sr.Field(0)

// Now get the tag labled 'json'
fmt.Println(field.Tag.Get("json"))