Wildcards in type functions
I would like to be able to use wildcards in type synonym family instances, so that I can write:
type instance ErrorAlg (f :>: _) e a = ErrorAlg f e aTrac metadata
| Trac field | Value |
|---|---|
| Version | 6.10.4 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |