const reflect.RecvDir

7 uses

	reflect (current package)
		type.go#L345: 	RecvDir ChanDir             = 1 << iota // <-chan
		type.go#L347: 	BothDir = RecvDir | SendDir             // chan
		type.go#L1044: 	case RecvDir:
		type.go#L1800: 	case RecvDir:
		value.go#L1507: 	if ChanDir(tt.dir)&RecvDir == 0 {
		value.go#L2255: 			if ChanDir(tt.dir)&RecvDir == 0 {

	github.com/google/go-cmp/cmp/internal/value
		name.go#L45: 		if t.ChanDir() == reflect.RecvDir {

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