Functors смотреть онлайн

In this video we cover the concept of Functors from Category Theory as it relates to functional programming. Specifically we take a look at fp-ts implementations of Functor, Bifunctor, and Profunctor. We also spend a little time covering what Contramap is and how it's used within Profunctor.

Intro and value add: 0:04
Slides: 1:35
Functor Example: 7:39
Bifunctor Example: 11:46
Contramap Example: 19:10
Profunctor Example: 29:54
Wrap up: 41:33

git repository: https://github.com/monsieurBoutte/fp-101-series

files from repo, that are explored in this video:
https://github.com/monsieurBoutte/fp-101-series/tree/master/src/5th-episode-Functors

codesandbox for this video:
https://codesandbox.io/s/mystifying-paper-9iibo?file=/src/ProfunctorExample.tsx

other resources:
Tom Harding series
http://www.tomharding.me/2017/06/26/fantas-eel-and-specification-18/
Option type declartion
https://github.com/gcanti/fp-ts/blob/master/src/Option.ts#L72
ReadonlyArray sort implementation
https://github.com/gcanti/fp-ts/blob/master/src/ReadonlyArray.ts#L807
Javascript Array.slice
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice
Javascript Array.sort
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort
Reader promap implementation
https://github.com/gcanti/fp-ts/blob/master/src/Reader.ts#L153

follow for more fp 101 updates:
https://twitter.com/monsieurBoutte