const reflect.RecvDir

6 uses

	reflect (current package)
		type.go#L338: 	RecvDir ChanDir             = 1 << iota // <-chan
		type.go#L340: 	BothDir = RecvDir | SendDir             // chan
		type.go#L966: 	case RecvDir:
		type.go#L1768: 	case RecvDir:
		value.go#L2258: 	if ChanDir(tt.Dir)&RecvDir == 0 {
		value.go#L3167: 			if ChanDir(tt.Dir)&RecvDir == 0 {