convert map to struct in go programming language

maptostruct.go

package main

import (
	"fmt"
	"reflect"
)

func main() {
	source := map[string]any{
		"A": 23,
		"B": "Hello",
	}

	type T struct {
		B string
		A int
	}
	target := new(T)
	s := reflect.ValueOf(target).Elem()
	typeOfT := s.Type()
	for i := 0; i < s.NumField(); i++ {
		f := s.Field(i)
		fv := source[typeOfT.Field(i).Name]
		f.Set(reflect.ValueOf(fv))
	}
	fmt.Printf("%+v\n", target)
}