single-bad-thing-about-go.go

package main

import "fmt"

func f() (int, error) {
	return 42, nil
}

func main() {
	x := 3
	func() {
		x, err := f()
		fmt.Println(x, err)
		// Output: 42 <nil>
	}()
	fmt.Println(x)
	// Output: 3
}