view wisdom/functor @ 9285:8320c9c4620f

<oerjan> learn Umlaut is German for "hum aloud", an important feature of the German language. It is indicated by putting two dots over the vowel of the syllable.
author HackBot
date Sat, 15 Oct 2016 00:04:47 +0000
parents 1e323fe0c60e
children 69b3e38974d3
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Functors are just morphisms in the category of small categories.