1 // run 2 3 // Copyright 2016 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 package main 8 9 import "runtime" 10 11 func main() { 12 var file string 13 var line int 14 func() { 15 defer func() { 16 _, file, line, _ = runtime.Caller(1) 17 }() 18 }() // this is the expected line 19 const EXPECTED = 18 20 if line != EXPECTED { 21 println("Expected line =", EXPECTED, "but got line =", line, "and file =", file) 22 } 23 } 24
