{"id":57343,"library":"heapless","title":"Heapless","description":"Static-friendly data structures that don't require dynamic memory allocation.","status":"active","version":"0.9.3","language":"rust","source_language":null,"source_url":"https://github.com/rust-embedded/heapless","tags":["no-std","embedded","static","data-structures"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nheapless = \"0.9.3\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add heapless","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"Vec","correct":"use heapless::Vec;"}],"quickstart":{"code":"use heapless::Vec;\n\nfn main() {\n    let mut v: Vec<u8, 4> = Vec::new();\n    v.push(1).unwrap();\n    assert_eq!(v[0], 1);\n}","lang":"rust","description":"Creates a fixed-capacity vector and pushes an element."},"warnings":[],"env_vars":null,"search_vec":"'alloc':13 'data':5,20 'data-structur':19 'dynam':11 'embed':17 'friend':4 'heapless':1 'memori':12 'no-std':14 'requir':10 'static':3,18 'static-friend':2 'std':16 'structur':6,21","created_at":"2026-06-16T15:38:38.079235+00:00","updated_at":"2026-06-16T15:38:38.079235+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://github.com/rust-embedded/heapless","github":"https://github.com/rust-embedded/heapless","docs":"https://docs.rs/heapless/","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}}