New simple GADT feature
It's somewhat of an anomaly that the following does not work:
data T where
Foo, Bar :: Int -> T
Since the comma syntax works for type signatures and records it would be natural for it to work with GADTs.
Trac metadata
Trac field | Value |
---|---|
Version | 6.10.1 |
Type | FeatureRequest |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | lennart@augustsson.net |
Operating system | |
Architecture |