{"id":57121,"library":"failure","title":"Failure","description":"Experimental error handling abstraction providing a unified error type and derive macro.","status":"deprecated","version":"0.1.8","language":"rust","source_language":null,"source_url":"https://github.com/rust-lang-nursery/failure","tags":["error-handling","deprecated","experimental"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nfailure = \"0.1.8\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add failure","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"Fail","correct":"use failure::Fail;"}],"quickstart":{"code":"use failure::Fail;\n\n#[derive(Fail, Debug)]\npub enum MyError {\n    #[fail(display = \"An error occurred: {}\", _0)]\n    Generic(String),\n}\n\nfn main() {\n    let err = MyError::Generic(\"something went wrong\".into());\n    println!(\"{}\", err);\n}","lang":"rust","description":"Defines a custom error type using the Fail derive macro."},"warnings":[{"fix":"Replace `failure` with `anyhow` for application errors or `thiserror` for library errors.","message":"Crate is deprecated; consider using `anyhow` or `thiserror` instead.","severity":"breaking","affected_versions":">=0.1.0"}],"env_vars":null,"search_vec":"'abstract':5 'deprec':17 'deriv':12 'error':3,9,15 'error-handl':14 'experiment':2,18 'failur':1 'handl':4,16 'macro':13 'provid':6 'type':10 'unifi':8","created_at":"2026-06-16T15:29:11.409857+00:00","updated_at":"2026-06-16T15:29:11.409857+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://rust-lang-nursery.github.io/failure/","github":"https://github.com/rust-lang-nursery/failure","docs":"https://docs.rs/failure/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-16","next_check":"2026-12-13","install_tag":null}}