Golang程序  |  19行  |  280 B

// run

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

func main() {
	x := 0
	func() {
		x = 1
	}()
	func() {
		if x != 1 {
			panic("x != 1")
		}
	}()
}