Data.Monoid + collections = trouble

Iavor Diatchki iavor.diatchki at
Fri Feb 25 17:23:28 EST 2005

Just out of curiosity, what do people use the Monoid instances for?

> ...
> C or A would either be good IMHO from a not messing up existing code
> point of view. Monoid is so useful, I'd prefer C and (optionally) A
> actually. Since the instance can't be expressed in hugs, the fact the
> implementations are different is unobservable and hence okay in some
> sense. (handwavy)
>         John

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