[Haskell] IO, exceptions and error handling

[Philippa Cowderoy]

On Mon, 14 Jun 2004, Tim Docker wrote:

> Both of these approaches seem fairly "invasive" in their
> effect on the code. Are people using haskell for real world
> tasks happy with having to choose from these? The former is
> more general, but any function that needs to be able to
> fail or propagate failure will end up being a do {} block.
>

The ability to fail doesn't need the do notation, just use of return for
success - similar for propagating failure.

-- 
flippa at flippac.org