#2798: Enable "rec" keyword when RecursiveDo is enabled?
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Reporter: nominolo | Owner:
Type: task | Status: new
Priority: high | Milestone: 6.12.1
Component: Compiler | Version: 6.11
Severity: minor | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Comment (by isaacdupree):
so if you want your code to compile on pre-6.12 you can:
- just use `mdo`
- use `rec` and enable `Arrows` also (I guess this hack could be, but
shouldn't be, sanctioned by Cabal.. among other things, Arrows also
introduces `proc` as a keyword, so it's not harmless)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2798#comment:9>
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