Use ReasonML in your React applications
summary
Reason brings OCaml-style immutability and a built-in type system to React, compiles to readable JS via BuckleScript compilation, and uses pattern matching that the compiler checks for exhaustiveness so impossible states are rejected at build time. A working tic-tac-toe app demonstrates reducer-style local state with clear separation of pure updates and side effects, fewer external deps, and faster edit–compile feedback. Expect concrete code, runtime-free type guarantees, and a runnable example.
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chapters (7)
- 0:00Introduction
- 5:35Reason and React
- 16:10Side Effects
- 16:52Local State
- 17:28Type System
- 21:18Pattern Matching
- 27:44Recap








