github.com/yanyiwu/go@v0.0.0-20150106053140-03d6637dbb7f/test/runtime.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2009 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  // Test that even if a file imports runtime,
     8  // it cannot get at the low-level runtime definitions
     9  // known to the compiler.  For normal packages
    10  // the compiler doesn't even record the lower case
    11  // functions in its symbol table, but some functions
    12  // in runtime are hard-coded into the compiler.
    13  // Does not compile.
    14  
    15  package main
    16  
    17  import "runtime"
    18  
    19  func main() {
    20  	runtime.printbool(true)	// ERROR "unexported"
    21  }