#![warn(clippy::result_map_or_into_option)] fn main() { let opt: Result = Ok(1); let _ = opt.ok(); //~^ ERROR: called `map_or(None, Some)` on a `Result` value let _ = opt.ok(); //~^ ERROR: called `map_or_else(|_| None, Some)` on a `Result` value #[rustfmt::skip] let _ = opt.ok(); //~^ ERROR: called `map_or_else(|_| None, Some)` on a `Result` value let rewrap = |s: u32| -> Option { Some(s) }; // A non-Some `f` arg should not emit the lint let opt: Result = Ok(1); let _ = opt.map_or(None, rewrap); // A non-Some `f` closure where the argument is not used as the // return should not emit the lint let opt: Result = Ok(1); _ = opt.map_or(None, |_x| Some(1)); let _ = opt.map_or_else(|a| a.parse::().ok(), Some); }