{"id":66126,"library":"predicates-core","title":"Predicates Core","description":"An API for boolean-valued predicate functions, used for composable assertions.","status":"active","version":"1.0.10","language":"rust","source_language":null,"source_url":"https://github.com/assert-rs/predicates-rs","tags":["testing","predicates","assertions","functional"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\npredicates-core = \"1.0.10\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add predicates-core","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"Predicate","correct":"use predicates_core::Predicate;"}],"quickstart":{"code":"use predicates_core::Predicate;\n\nfn main() {\n    let pred = |x: &i32| *x > 5;\n    println!(\"Is 10 > 5? {}\", pred(&10));\n}","lang":"rust","description":"Defines and uses a simple predicate function."},"warnings":[],"env_vars":null,"search_vec":"'api':4 'assert':14,17 'boolean':7 'boolean-valu':6 'compos':13 'core':2 'function':10,18 'predic':1,9,16 'test':15 'use':11 'valu':8","created_at":"2026-06-17T17:19:31.702970+00:00","updated_at":"2026-06-17T17:19:31.702970+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/assert-rs/predicates-rs","github":"https://github.com/assert-rs/predicates-rs","docs":"https://docs.rs/predicates-core/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["testing"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}