interface-pointer-quirk.go

package main

import (
	"fmt"
)

type ex struct {}

func (e ex) Error() string {return "wow"}

func main() {
	var a *ex
	var err error
	a = nil
	fmt.Println(a == nil)
	err = nil
	fmt.Println(err == nil)
	err = a
	fmt.Println(err == nil)
}