[Haskell-cafe] Ambiguous type variable ‘f0’ arising from a use of ‘f’

[Richard Eisenberg]

On Mar 20, 2016, at 5:38 PM, Tom Ellis <tom-lists-haskell-cafe-2013 at jaguarpaw.co.uk> wrote:

> Oh, so you're saying it used to work by accident?

Yes, exactly. And it was fixed by accident, too. But the new behavior seems to me to be more consistent with the documentation than the old behavior.