# `actix-web-codegen` > Routing and runtime macros for Actix Web. <!-- prettier-ignore-start --> [](https://crates.io/crates/actix-web-codegen) [](https://docs.rs/actix-web-codegen/4.3.0)   <br /> [](https://deps.rs/crate/actix-web-codegen/4.3.0) [](https://crates.io/crates/actix-web-codegen) [](https://discord.gg/NWpN5mmg3x) <!-- prettier-ignore-end --> ## Compile Testing Uses the [`trybuild`] crate. All compile fail tests should include a stderr file generated by `trybuild`. See the [workflow section](https://github.com/dtolnay/trybuild#workflow) of the trybuild docs for info on how to do this. [`trybuild`]: https://github.com/dtolnay/trybuild