Pie  |  9.0.0_r8
Golang程序  |  12行  |  242 B 

// Copyright 2010 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

import "fmt"

func a() {
	fmt.DoesNotExist() // ERROR "undefined"
}