// run | |
// Copyright 2016 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 "runtime" | |
func main() { | |
var file string | |
var line int | |
func() { | |
defer func() { | |
_, file, line, _ = runtime.Caller(1) | |
}() | |
}() // this is the expected line | |
const EXPECTED = 18 | |
if line != EXPECTED { | |
println("Expected line =", EXPECTED, "but got line =", line, "and file =", file) | |
} | |
} |