Introducing ReScript

Chapter 1, IntroChapter Goal: Learn what functional programming is, and the background of the ReScript language What is ReScript? Why should you learn ReScript? What is functional programming? Why should you learn functional programming?Chapter 2, BasicsChapter Goal: Learn the basic features of ReScript, like expressions and operators- Development environment setup- Hello, World in ReScript- Expressions- Operators- If expressions- Let expressions- Printing and debuggingChapter 3, FunctionsChapter Goal: learn how functions work in ReScript- Defining a function- Applying a function- Polymorphic functions- Anonymous functionsChapter 4, Lists and ArraysChapter Goal: learn the data structures for ordered data in ReScript, learn about immutable data structures- Building a list- Accessing a list- Mutating a list- Arrays and mutability- IterationChapter 5, Records and ObjectsChapter Goal: learn the ways to represent composite data types in ReScript- Records- ObjectsChapter 6, Pattern Matching and DestructuringChapter Goal: learn one of ReScript's most powerful features and how to work with the shape of your data- Pattern matching/switch- Destructuring with let- Destructuring in functionsChapter 7, Algebraic Data TypesChapter Goal: learn how represent complex data in ReScript's type system- Variants- Polymorphic Variants- Options- TuplesChapter 8, Higher Order ProgrammingChapter Goal:- Higher order functions- Map- Filter- Reduce- Generalizing to other data structures- Piping- CurryingChapter 9, ModulesChapter Goal: Introduce modules in ReScript, and how they can be used for higher order programming- What are modules- Scope/visibility- Signature- Import/Export- FunctorsChapter 10, Using ReScript in ProductionChapter Goal: learn about ReScript's interoperability with JavaScript- Calling ReScript from JavaScript- Calling JavaScript from ReScript- Embedding JavaScript in ReScript- Working with DOM- Working with JSON- Runtime representation

Danny Yang is a professional software engineer at Meta working on infrastructure for WhatsApp. He has previously worked on Facebook Messenger, including the web interface which was written in ReScript. His technical interests include functional programming, compilers, and data visualization, which he writes about on his blog.