The Reason for ReasonML
summary
Claim: Reason is a syntax layer over OCaml that compiles to readable JavaScript and fits into existing JS codebases. Evidence: BuckleScript (bsb) produces a one-to-one .re → .bs.js mapping so generated files are debuggable, BS config JSON needs only name and src, and interoperability uses @bs.val FFI directives plus module/package-spec options. Impact: option types eliminate many null/undefined errors; Stack Overflow numbers imply ~70,000 JS devs face those errors daily; projects compile fast and integrate without full rewrites.
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chapters (41)
- 0:00Intro
- 1:43Console Error
- 2:12JavaScript Developers
- 3:04Solutions
- 3:45What is Reason
- 4:16Ocampo
- 5:02Main
- 5:49Tour of Reason
- 6:20Mutability
- 6:56Type
- 7:48Data Structures
- 8:20List
- 8:44Record
- 9:18Closed Object
- 12:17Pattern Matching
- 14:09Option Variant
- 14:42ImportExport
- 15:29Directory Structure
- 16:30Other Languages
- 17:02Reason is Simple
- 17:46How this interrupts story actually works
- 18:12Frontend
- 18:40Backend
- 19:18How does it work
- 19:50Escape hatch
- 20:13What you need
- 20:50How to get it
- 21:09What does it look like
- 21:24Setup pot
- 22:00Bccal script directive
- 22:52Other directives
- 23:09Unwrap
- 24:01Bindings
- 24:37Dependencies
- 26:45Module Types
- 28:14Convert to Reason
- 28:56Accessibility
- 29:09Questions
- 34:55Achama
- 35:37Recap
- 36:06Resources
