Excerpts from Edward Amsden's message of Wed Jan 26 15:51:46 -0500 2011:
> do
> ...
> case ... of
> Foo x -> do ...
> ...
> return foobar
> Bar x -> do ...
> ...
> return foobar
There's not enough context here to say what is appropriate.
Is foobar defined in the outer or inner do-block?
> if cond
> then throwError "BBQ!"
> else do
> ...
> ...
> return ...
Try:
when cond $ throwError "BBQ!"
...
...
return ...
Cheers,
Edward
_______________________________________________
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
