Leandro Ostera | Substack

Structuring large ReScript projects

Here's how we structured our >300k LOC ReScript project at Walnut

Aug 16, 2023 • Leandro Ostera

Making the ReScript type system work for you (Part II)

In this part, we will learn how to type simple functions and compound expressions.

Aug 6, 2023 • Leandro Ostera

Making the ReScript type system work for you (Part I)

The first step to getting the type checker to work for you is to understand how it works, what work it can and can't do.

Jul 30, 2023 • Leandro Ostera

ReScript vs TypeScript: Building a Concurrent Queue library

We'll write a mission-critical piece of code in both TypeScript and ReScript and compare the process and results, and find out what TypeScript still…

Feb 23, 2022 • Leandro Ostera

ReScript on Deno: Command Line Tools and the Flags module

We will learn how to bind to the Flags module in Deno's standard library to make it easy and type-safe to pass in arguments to our command-line tools.

Feb 9, 2022 • Leandro Ostera

Exploring ReScript on Deno

Since the rebrand, ReScript no longer has a blessed way for building and distributing native applications. In this post, I explore how to use ReScript…

Jan 25, 2022 • Leandro Ostera