pkg syscall (netbsd-386), const MAP_ALIGNMENT_SHIFT ideal-int
pkg syscall (netbsd-386), const MAP_ANON = 4096
pkg syscall (netbsd-386), const MAP_ANON ideal-int
pkg syscall (netbsd-386), const MAP_FILE = 0
pkg syscall (netbsd-386), const MAP_FILE ideal-int
pkg syscall (netbsd-386), const MAP_FIXED = 16
pkg syscall (netbsd-386), const MAP_FIXED ideal-int
pkg syscall (netbsd-386), const MAP_HASSEMAPHORE = 512

type Bad2 interface {
	Bad1
}
</pre>

<h3 id="Map_types">Map types</h3>

<p>
A map is an unordered group of elements of one type, called the
element type, indexed by a set of unique <i>keys</i> of another type,
called the key type.
The value of an uninitialized map is <code>nil</code>.
</p>

<pre class="ebnf">
MapType     = "map" "[" KeyType "]" ElementType .
KeyType     = Type .
</pre>

	"runtime"
	"strings"
	"sync"
	"testing"
	"unsafe"
)

// Pass a func value from nestedCall to goCallback using an integer token.
var callbackMutex sync.Mutex
var callbackToken int
var callbackFuncs = make(map[int]func())

// nestedCall calls into C, back into Go, and finally to f.
func nestedCall(f func()) {
	// callback(x) calls goCallback(x)
	callbackMutex.Lock()
	callbackToken++
	i := callbackToken