func (r region) SliceLen() int64 {
	if r.typ.Kind != KindSlice {
		panic("can't len a non-slice")
	}
	return r.p.proc.ReadInt(r.a.Add(r.p.proc.PtrSize()))
}
func (r region) SliceLen() int64 {
	if r.typ.Kind != KindSlice {
		panic("can't len a non-slice")
	}
	return r.p.proc.ReadInt(r.a.Add(r.p.proc.PtrSize()))
}
func ( r region ) SliceLen ( ) int64 { if r . typ . Kind != KindSlice { panic ( " " ) } return r . p . proc . ReadInt ( r . a . Add ( r . p . proc . PtrSize ( ) ) ) }
// SliceLen returns the length of a slice. r must contain a slice.
SliceLen returns the length of a slice . r must contain a slice .