Oh Composable World!
summary
Claims that dot chaining equals function composition and shows how map chain concat handle the three biggest complexity sources (state control flow code volume). Uses plain JavaScript: arrays, a single-value Box with map and fold, lazy promises with Fork to defer side effects, Either for branching, map/filter/reduce and unfold for loops. Builds and demos a composed React app (recompose/Redux-style reducers) that actually runs and shows adding todos, so the approach is practical not just theoretical.
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chapters (8)
- 0:00Intro
- 3:18Rick Ross wearing a chain
- 4:15Function composition
- 10:40Loops
- 11:26Promises
- 20:01React Rally
- 24:19Component to Component
- 26:19Conclusion
