golang wtf

main.go

package main

import (
	"encoding/json"
	"fmt"
)

type Some struct {
	Name string `json:"name"`
}


func main() {
	var s *Some
	un(s)
	fmt.Println(fmt.Sprintf("%v - %T", s, s))
}

func un(payload any) {
	fmt.Println(fmt.Sprintf("%v - %T", payload, payload))

	body, _ := json.Marshal(Some{Name: "some123"})

	err := json.Unmarshal(body, &payload)
	if err != nil {
		panic(err)
	}

	fmt.Println(fmt.Sprintf("%v - %T", payload, payload))
}