#3217: Make GHCi have separate flags for interactive Haskell expressions
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Reporter: simonpj | Owner:
Type: feature request | Status: new
Priority: normal | Milestone: 6.12 branch
Component: Compiler | Version: 6.10.2
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Comment (by simonmar):
Replying to [comment:3 claus]:
> 4. While you're dealing with this, could you please remove the current
inconsistency that in-source flags are not propagated to the interactive
flags? Given module
> {{{
> {-# LANGUAGE PatternGuards #-}
>
> f x | () <- x = x
> }}}
> I would expect to have `PatternGuards` available when GHCi is in `*Main`
(as opposed to `Main`), but that isn't the case:
What do you want to happen when there are multiple modules in scope at the
prompt? Take the union of the flags? What if they are contradictory?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3217#comment:4>
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