|  | // errorcheck | 
|  |  | 
|  | // Copyright 2009 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. | 
|  |  | 
|  | // Test that even if a file imports runtime, | 
|  | // it cannot get at the low-level runtime definitions | 
|  | // known to the compiler.  For normal packages | 
|  | // the compiler doesn't even record the lower case | 
|  | // functions in its symbol table, but some functions | 
|  | // in runtime are hard-coded into the compiler. | 
|  | // Does not compile. | 
|  |  | 
|  | package main | 
|  |  | 
|  | import "runtime" | 
|  |  | 
|  | func main() { | 
|  | runtime.printbool(true)	// ERROR "unexported" "undefined" | 
|  | } |