[Haskell-cafe] testing for exceptions
tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk
Sat Oct 31 11:04:05 UTC 2015
On Sat, Oct 31, 2015 at 11:46:15AM +0100, Roelof Wobben wrote:
> Op 31-10-2015 om 11:40 schreef Darren Grant:
> >Unfrotunately the answer to this is not simple:
> >'error' more or less terminates the program in an unreasonable way.
> >It would be preferable for f2 to result in a type that can contain
> >the error result to be parsed.
> So I have to change the type of f2.
> To what do I have to change it to make it testable.
For example, Integer -> Maybe Integer
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