Kinds as "I don't care" type variables
Let's allow to use kinds as "I don't care"/"it doesn't matter" type variables at function's signature
fst :: (a, *) -> aThis is the same '_' - "i don't care" variable, but in signatures.
fst (a, _ ) = aAnd "_" remains as "black hole" at signatures
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.6.3 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |