[Haskell-cafe] Applicative but not Monad
jeremy at n-heptane.com
Fri Oct 30 16:51:00 EDT 2009
Formlets are not Monads.
If you tried, you could actually implement a Monad instance for
Formlets, but it would lead to very undesirable behavior. Specially,
if a field in the form failed to validate, then the rest of the form
would not be rendered at all.
On Oct 30, 2009, at 11:14 AM, Yusaku Hashimoto wrote:
> Hello cafe,
> Do you know any data-type which is Applicative but not Monad?
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