const reflect.BothDir

5 uses

	reflect (current package)
		type.go#L357: 	BothDir = RecvDir | SendDir             // chan
		type.go#L1096: 	case BothDir:
		type.go#L1620: 	return V.ChanDir() == BothDir && (T.Name() == "" || V.Name() == "") && haveIdenticalType(T.Elem(), V.Elem(), true)
		type.go#L1865: 	case BothDir:
		value.go#L2923: 	if typ.ChanDir() != BothDir {