const reflect.BothDir

5 uses

	reflect (current package)
		type.go#L347: 	BothDir = RecvDir | SendDir             // chan
		type.go#L1046: 	case BothDir:
		type.go#L1557: 	return V.ChanDir() == BothDir && (T.Name() == "" || V.Name() == "") && haveIdenticalType(T.Elem(), V.Elem(), true)
		type.go#L1802: 	case BothDir:
		value.go#L2315: 	if typ.ChanDir() != BothDir {