const reflect.SendDir

6 uses

	reflect (current package)
		type.go#L310: 	SendDir                                 // chan<-
		type.go#L311: 	BothDir = RecvDir | SendDir             // chan
		type.go#L821: 	case SendDir:
		type.go#L1605: 	case SendDir:
		value.go#L2235: 	if ChanDir(tt.Dir)&SendDir == 0 {
		value.go#L3064: 			if ChanDir(tt.Dir)&SendDir == 0 {