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Allow: Coercing (a:~:b) to (b:~:a)
Is there *any* sensible way to enable coercing (:~:) swapping its arguments
coerce :: a:~:b -> b:~:aSame for Coercion
coerce :: Coercion a b -> Coercion b aThanks!
Trac metadata
| Trac field | Value |
|---|---|
| Version | 8.2.1 |
| Type | FeatureRequest |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |