42                 if let Some(limits) = Limits::of(new_repr) {  in insert()
44                         if limits.min <= past && past <= limits.max {  in insert()
48                             "discriminant value `{}` is outside the limits of {}",  in insert()
98         for limits in &LIMITS {  in inferred_repr()
99             if limits.min <= min && max <= limits.max {  in inferred_repr()
100                 return Ok(limits.repr);  in inferred_repr()
137         if let Some(limits) = Limits::of(expected_repr) {  in insert()
138             if discriminant < limits.min || limits.max < discriminant {  in insert()
140                     "discriminant value `{}` is outside the limits of {}",  in insert()
278 struct Limits {  struct
284 impl Limits {  impl
285     fn of(repr: Atom) -> Option<Limits> {  in of()  argument
286         for limits in &LIMITS {  in of()
287             if limits.repr == repr {  in of()
288                 return Some(*limits);  in of()
295 const LIMITS: [Limits; 8] = [  constant
296     Limits {
301     Limits {
306     Limits {
311     Limits {
316     Limits {
321     Limits {
326     Limits {
331     Limits {