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, *) -> a
This is the same '_' - "i don't care" variable, but in signatures.
fst (a, _ ) = a
And "_" 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 | |
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Blocking | |
CC | |
Operating system | |
Architecture |