--- title: "I hotreload Rust and so can you" url: https://daily.dev/posts/i-hotreload-rust-and-so-can-you-vry9u4gev source_url: https://kampffrosch94.github.io/posts/hotreloading_rust/ type: article source: "Lobsters" published: 2026-01-17T22:57:48.901Z updated: 2026-01-17T22:58:12.272Z tags: ["game-development", "rust"] reading_time: 19 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # I hotreload Rust and so can you **[Lobsters](https://daily.dev/sources/lobsters)** · 19 min read · 0 upvotes · 0 comments ## Summary Hot-reloading in Rust allows changing program behavior while running without full restarts. This guide demonstrates splitting a Rust game into a host (persistent state) and worker (reloadable logic) using dynamic libraries. The worker compiles to both dylib and static library, communicating via trait objects. Key challenges include handling state persistence across reloads (solved via serialization), avoiding invalid function pointers from dynamic dispatch, and managing thread-local storage. The approach requires same compiler/flags for ABI compatibility, making it suitable for development but not production plugins. Includes practical tips on compile times, dependency management, and integration with game frameworks like macroquad. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Rust at the Core: Accelerating Polyglot SDK Development by Spencer Judge at QCon SF 2025](https://daily.dev/posts/rust-at-the-core-accelerating-polyglot-sdk-development-by-spencer-judge-at-qcon-sf-2025-uau5c7a49) · InfoQ · 2 upvotes · 0 comments --- Tags: [#game-development](https://daily.dev/tags/game-development), [#rust](https://daily.dev/tags/rust) [View this post on daily.dev](https://daily.dev/posts/i-hotreload-rust-and-so-can-you-vry9u4gev)