type Chan struct {
	dir  ChanDir
	elem Type
}

// A ChanDir value indicates a channel direction.
type ChanDir int

// The direction of a channel is indicated by one of these constants.
const (
	SendRecv ChanDir = iota
	SendOnly
	RecvOnly
)

// NewChan returns a new channel type for the given direction and element type.
func NewChan(dir ChanDir, elem Type) *Chan {

//go:linkname badlinkname_rtype_Bits reflect.(*rtype).Bits
func badlinkname_rtype_Bits(*rtype) int

//go:linkname badlinkname_rtype_ChanDir reflect.(*rtype).ChanDir
func badlinkname_rtype_ChanDir(*rtype) ChanDir

//go:linkname badlinkname_rtype_Comparable reflect.(*rtype).Comparable
func badlinkname_rtype_Comparable(*rtype) bool

//go:linkname badlinkname_rtype_ConvertibleTo reflect.(*rtype).ConvertibleTo

			fakeLines[i] = i
		}
	})
	for _, f := range s.files {
		f.file.SetLines(fakeLines[:f.lastline])
	}
}

var (
	fakeLines     []int
	fakeLinesOnce sync.Once
)

func chanDir(d int) types.ChanDir {
	// tag values must match the constants in cmd/compile/internal/gc/go.go
	switch d {
	case 1 /* Crecv */ :
		return types.RecvOnly
	case 2 /* Csend */ :
		return types.SendOnly
	case 3 /* Cboth */ :