{"id":57127,"library":"futures-util","title":"Futures Util","description":"Common utilities and extension traits for the futures-rs library.","status":"active","version":"0.3.32","language":"rust","source_language":null,"source_url":"https://github.com/rust-lang/futures-rs","tags":["async","futures","stream"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nfutures-util = \"0.3.32\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add futures-util","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"StreamExt","correct":"use futures_util::StreamExt;"}],"quickstart":{"code":"use futures_util::StreamExt;\n\nasync fn process(stream: impl futures_util::Stream<Item = i32> + Unpin) {\n    let mut stream = stream;\n    while let Some(item) = stream.next().await {\n        println!(\"{}\", item);\n    }\n}\n\nfn main() {\n    // Example usage requires an async runtime\n}","lang":"rust","description":"Processes a stream asynchronously using StreamExt."},"warnings":[{"fix":"Add `tokio` or `async-std` as a dependency and use `#[tokio::main]` or similar.","message":"Requires an async runtime (e.g., tokio) to execute futures.","severity":"gotcha","affected_versions":"*"}],"env_vars":null,"search_vec":"'async':14 'common':3 'extens':6 'futur':1,11,15 'futures-r':10 'librari':13 'rs':12 'stream':16 'trait':7 'util':2,4","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.github.io/futures-rs","github":"https://github.com/rust-lang/futures-rs","docs":"https://docs.rs/futures-util/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["async","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}}