panic("reflect.MakeChan: unidirectional channel type")
	}
	t := typ.common()
	ch := makechan(t, buffer)
	return Value{t, ch, flag(Chan)}
}

// MakeMap creates a new map with the specified type.
func MakeMap(typ Type) Value {
	return MakeMapWithSize(typ, 0)
}

// MakeMapWithSize creates a new map with the specified type
// and initial space for approximately n elements.

func TestMap(t *testing.T) {
	m := map[string]int{"a": 1, "b": 2}
	mv := ValueOf(m)
	if n := mv.Len(); n != len(m) {
		t.Errorf("Len = %d, want %d", n, len(m))
	}
	keys := mv.MapKeys()
	newmap := MakeMap(mv.Type())
	for k, v := range m {
		// Check that returned Keys match keys in range.
		// These aren't required to be in the same order.
		seen := false
		for _, kv := range keys {
			if kv.String() == k {