Last Updated: June 17, 2018

How to get struct variable information using reflect package?

#1.10.2

Using reflect package you can also find the name and type of and value of struct variables.

package main

import (
 "fmt"
 "reflect"

)
type Book struct {
 Id int 
 Title string
 Price float32
 Authors []string 
}

func main() {
 book := Book{1, "foo", 1.5, []string{"alex"}}
 e := reflect.Indirect(reflect.ValueOf(&book))

 for i := 0; i < e.NumField(); i++ {
 varName := e.Type().Field(i).Name
 varType := e.Field(i).Type
 varValue := e.Field(i).Interface()
 fmt.Printf("%v %v %v\n", varName,varType,varValue)
 }
}

#go

#1.10.2

#reflect