[Haskell-cafe] out-commented code vs. case with redundant pattern matches
lemming at henning-thielemann.de
Wed Nov 29 19:13:19 UTC 2017
On Wed, 29 Nov 2017, Olaf Klinke wrote:
> how about putting the branches into their own variables. Admittedly this pollutes the namespace but is much more readable IMHO.
> workflow = new_workflow where
> new_workflow = putStrLn "A"
> old_workflow = putStrLn "B"
> I suppose GHC complains neither about unused where clauses nor about
> unused top-level bindings. At least with GHCi 7.8.3 the above code
> produces no warnings.
It complains with -Wall, which is a good thing. But in this case I can
suppress the warning individually by prepending an underscore.
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