#8176: Language extensions not registered
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Reporter: duncan | Owner:
Type: bug | thoughtpolice
Priority: normal | Status: new
Component: Compiler | Milestone: 7.8.1
Resolution: | Version: 7.7
Operating System: Unknown/Multiple | Keywords:
Type of failure: None/Unknown | Architecture:
Test Case: tests/driver/T4437.hs | Unknown/Multiple
Blocking: | Difficulty: Unknown
| Blocked By:
| Related Tickets:
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Comment (by duncan):
So comparing with what we comitted during the recent Zurich hackathon:
https://github.com/haskell/cabal/commit/d40207efec3133735cee89aec17974ea6c307613
* OverloadedLists
* EmptyCase
* AutoDeriveTypeable
* NegativeLiterals
* NumDecimals
* NullaryTypeClasses
We added all these because they were documented in the user guide already.
We didn't add TypeHoles on the theory that it would not be used in
released packages. However on reflection it would be better to add it as a
registered extension but to have an explicit check for it not being used
in distributed packages (e.g. like we complain about -Werror).
So what are we still missing then?
* ExplicitNamespaces
* AllowAmbiguousTypes
We should check these are documented in the user guide and then register
them in Language.Haskell.Extensions.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8176#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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