Deprecate Foldable for Either

Henning Thielemann lemming at henning-thielemann.de
Sat Mar 18 19:49:00 UTC 2017


On Sat, 18 Mar 2017, Carter Schonwald wrote:

> for what?

A warning if someone e.g. calls 'length (a,b)', or more generally, if 
certain instances are used.


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