Functional Programming Fundamentals

on YouTube ↗30m

" summary

Argues that the concrete win is isolating state and side effects so one-to-one data transforms stay predictable, showing pure functions, memoization and selectors to avoid rerenders. Demonstrates ES6 map/filter, lodash/flow (and mentions Ramda, immutable), reselect-style memoization, debounce, currying and partial application, and treats React hooks as state and side-effects to be isolated. Shows mutation, shared state and async as sources of bugs and prefers composition and immutability for readable, testable code.

AI-written summary · about

" chapters (5)

1. 0:00Start
2. 9:18Lets look at an example
3. 14:04Some Examples
4. 17:25Example (Separation Composition)
5. 22:17Ron Weasley

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