Proposal: derive Typeable for Data.Monoid types

Michael Snoyman michael at
Tue May 27 06:38:58 UTC 2014

On Tue, May 27, 2014 at 9:31 AM, Roman Cheplyaka <roma at> wrote:

> I was surprised to find out that wrappers like Last do not have Typeable
> instances. Let's add them.
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