Suppress orphan instance warning per instance
In the same way we have overlapping/incoherent instance pragmas which can be applied on a per instance basis, it would be good to have a -fno-warn-orphan-instance
pragma which can be applied on a per-instance basis.
Annoyingly, there is not an obvious syntax to use for this case, since SOP for a module with orphan instances is {-# GHC_OPTIONS -fno-warn-orphans #-}
Trac metadata
Trac field | Value |
---|---|
Version | 7.11 |
Type | FeatureRequest |
TypeOfFailure | OtherFailure |
Priority | low |
Resolution | Unresolved |
Component | Compiler (Type checker) |
Test case | |
Differential revisions | |
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Blocking | |
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Operating system | |
Architecture |