make toEnum and fromEnum take and return Integers
Change the signature of toEnum and fromEnum in the Enum a typeclass to
toEnum :: Integer -> a
fromEnum :: a -> Integer(they currently use Int)
It's possible, for example, to have Enumeratable types that are larger than Int
pros: No overflow possibilities
cons: efficiency
Trac metadata
| Trac field | Value |
|---|---|
| Version | |
| Type | Task |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Proposal |
| Test case | |
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| Operating system | |
| Architecture |