052: Category Theory in Elm with Joël Quenneville - a podcast by Dillon Kearns, Jeroen Engels
from 2022-03-14T12:00
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- Joël Quenneville (Twitter)
- Elm's Universal Pattern episode
List.concatMap
is the same pattern asandThen
under a different nameandThen identity
can be used to flatten something- Dillon's Combinators article
- Martin Janiczek's
elm-list-cartesian
package gives two validmap2
implementions forList
- Monoid - need a way of having something empty, and way to combine two things - for example addition for numbers starting with 0
- Jeroen's
elm-review-simplify
package
More of Joël's distillation of category theory ideas:
- Running out of maps (applicatives)
- The Mechanics of Maybe (taking maybe apart and putting it back together)
- Two ways of looking at map functions (functors)
- Elm's universal pattern (applicatives)
- Inverting a binary tree (folding, catamorphisms)
- Joël's directory of blog posts on the ThoughtBot blog
Further episodes of Elm Radio
Further podcasts by Dillon Kearns, Jeroen Engels
Website of Dillon Kearns, Jeroen Engels