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• 00:03, 21 November 2025 PC talk contribs created page The Hidden Cost of Monomorphization: Why Generics Make Rust Binaries Huge (Created page with "500px When I first started using Rust, I was told the same thing every Rustacean hears early on: “Generics are zero-cost abstractions.” And I believed it.
Until I built a CLI tool with a few generic data structures and the binary ballooned from 2 MB to 37 MB. I thought I had accidentally compiled in debug mode.
Nope — it was Release.
Welcome to Rust’s secret heavyweight: monomorphization. Let’s unpack what’s actually goi...")