// main.go
package main

import (
	"fmt"
	"reflect"
)

func main() {
	var i interface{}

	i = uint(0)
	switch v := i.(type) {
	case uint, uint8, uint16, uint32, uint64:
		fmt.Println("111:", v == 0) // Why is v not equal to 0?? Because of mismatched types??
	case int, int8, int16, int32, int64:
		fmt.Println("222:", v == 0)
	default:
		panic(v)
	}

	// ------------------------------------------------------------------------ //

	switch vf := reflect.ValueOf(i); vf.Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		fmt.Println("333:", vf.Int() == 0)
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		fmt.Println("444:", vf.Uint() == 0)
	default:
		panic(i)
	}

	// v1 := int(0)
	// v2 := uint(1)
	// fmt.Println(v1 == v2) // Cannot compile because their types are mismatched.
}