Getting started with a new ecosystem can be difficult. Using Nix makes the solution reproducible! I was recently following the setup guide for Rust and WebAssembly and found more surprises than I was expecting while setting up the development environment using a Nix Flake. As I’ve also been working towards a personal repository of Flake templates, I thought it might help others to detail the issues that I encountered and how I solved them.

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This post explains the process of setting up a Rust + WASM development environment using Nix and Flakes. It covers the installation of dependencies, solving issues with the Rust toolchain and WebAssembly linking, and editor integrations.

A Rust + WASM development environment with Nix