# debug_unreachable > unreachable!() in debug, std::intrinsics::unreachable() in release. ## [Documentation](https://crates.fyi/crates/debug_unreachable/0.1.1) ## Usage Use the crates.io repository; add this to your `Cargo.toml` along with the rest of your dependencies: ```toml [dependencies] debug_unreachable = "0.1" ``` ## Author [Jonathan Reem](https://medium.com/@jreem) is the primary author and maintainer of debug-unreachable. ## License MIT