Reflection assign field values on a struct

reflect_struct.go

package main

import "fmt"
import "reflect"

func main() {

	type Cat struct {
		Color  string
		Name string
		Weight int
	}
	
	c := Cat{"brown","Tom",3}
	
	details := map[string]interface{}{
		"Color":"black",
		"Name":"Merlin",
	}
	
	rc := reflect.ValueOf(&c)
	
	for k, v := range details{
		rv := reflect.ValueOf(v)
		rc.Elem().FieldByName(k).Set(rv)
	}
	
	fmt.Print(c)
}