view wisdom/lens @ 36:4cb1612c02cf

<oerjan> learn Natural transformations are just morphisms in the category of functors
author HackBot
date Thu, 01 Mar 2012 00:11:23 +0000
parents e037173e0012
children 9908e830aa86
line wrap: on
line source

A lens is a monoidal natural transformation between higher-order coalgebra functors