1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package nilfunc 6 7 func F() {} 8 9 func Comparison() { 10 if F == nil { // ERROR "comparison of function F == nil is always false" 11 panic("can't happen") 12 } 13 } 14