Re: DoAndIfThenElse

Since I started programming in Haskell a few years ago I have been using if-then-else in that manner without indentation and I never knew about this extension. I thought this is how it works. It seems this is the default now. But, I remember encountering an error in an older compiler version once

Re: DoAndIfThenElse

Hi, not sure if this helps. testsuite/tests/parser/should_compile/DoAndIfThenElse.hs gives us ``` {-# LANGUAGE DoAndIfThenElse #-} module DoAndIfThenElse where foo :: IO () foo = do if True then return () else return () ``` and there is some other mention in

Re: DoAndIfThenElse

Huh. I wonder if a section went missing; seems like none of the extensions that alter or relax layout are documented currently. (AlternativeLayoutRule, AlternativeLayoutRuleTransitional, DoAndIfThenElse, NondecreasingIndentation, RelaxedLayout) IIRC DoAndIfThenElse relaxes a condition implied by

DoAndIfThenElse

Hi, I recently found a mention of DoAndIfThenElse extension somewhere. I looked inside the ghc user guide and could not find any such extension. Then I looked in the ghc man page, no mention. I googled and found a very sparse references to it here and there. Then I tried using the extension with

RE: Can't typeset docs

Simon Peyton Jones via ghc-devs writes: > | > When I have > | > > | > BUILD_SPHINX_HTML= YES > | > > | > BUILD_SPHINX_PDF = YES > | > I get this error in my build. Any ideas? I think Sphinx is up to > | date. > | > Thanks > | > Simon > | > > | I