{"id":57588,"library":"enum-dispatch","title":"Enum Dispatch","description":"Near drop-in replacement for dynamic-dispatched method calls with up to 10x the speed.","status":"active","version":"0.3.13","language":"rust","source_language":null,"source_url":"https://gitlab.com/antonok/enum_dispatch","tags":["enum","dispatch","performance","trait"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nenum_dispatch = \"0.3.13\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add enum_dispatch","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"enum_dispatch","correct":"use enum_dispatch::enum_dispatch;"}],"quickstart":{"code":"use enum_dispatch::enum_dispatch;\n\n#[enum_dispatch]\ntrait MyTrait {\n    fn do_something(&self) -> i32;\n}\n\nstruct A;\nimpl MyTrait for A {\n    fn do_something(&self) -> i32 { 1 }\n}\n\nstruct B;\nimpl MyTrait for B {\n    fn do_something(&self) -> i32 { 2 }\n}\n\n#[enum_dispatch(MyTrait)]\nenum MyEnum {\n    A,\n    B,\n}\n\nfn main() {\n    let val = MyEnum::A;\n    println!(\"{}\", val.do_something());\n}","lang":"rust","description":"Defines a trait and an enum that dispatches to its variants."},"warnings":[{"fix":"Use stable Rust or check the crate's documentation for compatibility.","message":"Requires nightly Rust for some features.","severity":"gotcha","affected_versions":">=0.1.0"}],"env_vars":null,"search_vec":"'10x':17 'call':13 'dispatch':2,11,21 'drop':5 'drop-in':4 'dynam':10 'dynamic-dispatch':9 'enum':1,20 'method':12 'near':3 'perform':22 'replac':7 'speed':19 'trait':23","created_at":"2026-06-16T15:49:39.482398+00:00","updated_at":"2026-06-16T15:49:39.482398+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://gitlab.com/antonok/enum_dispatch","github":null,"docs":"https://docs.rs/enum_dispatch/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility","other"],"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}}