"rust""systems-programming"
Rust's `build.rs`: The Secret Script That Runs Before Your Code Does 🔨🦀
In Laravel, Composer runs before your app. In Node.js, npm scripts run before your server. In Rust, there's a `build.rs` — a full Rust program that runs at compile time to link C libraries, generate code, and do things your runtime never even sees. Coming from web dev, this blew my mind.
Mar 20, 2026
8 min read
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