suggestions for improving MonadWriter
roma at ro-che.info
Sun Jan 27 22:37:56 CET 2013
* Petr P <petr.mvd at gmail.com> [2013-01-27 21:30:31+0100]
> (1) Remove the "Monoid w" constraint from the definition.
> (2) Add
> -- | @contained m@ executes the action @m@ in a contained environment and
> -- returns its value and its output. The current output is not modified.
> contained :: m a -> m (a, w)
> to MonadWriter.
No opinion on this one.
More information about the Libraries