Richard Giraud wrote:
Hello
I'm using GHC 6.8.2 with mutally recursive modules. I'm familiar with
how to do simple cases in GHC ({-# SOURCE #-} and .hs-boot files) but I
can't figure out how to get it to work for a particular set of modules.
Is it known (i.e., proven) that GHC 6.8.2 can compile any set of
mutually recursive modules without refactoring? Are there known
limitations?
With the old (6.2 and before) .hi-boot scheme where there was no
abstraction in boot-files, it could probably do anything that it could
do. But I'm not convinced with .hs-boot... it can resolve one level of
cycle, and I don't know how to *prove* that it *can't* do any given
thing, but I strongly suspect there are things it can't do. Luckily, it
is very often the case that your code will be better off anyway if
refactored to have less module recursion. (though not always.)
-Isaac
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