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rust-clippy/tests/ui/result_map_or_into_option.rs

19 lines
520 B
Rust

// run-rustfix
#![warn(clippy::result_map_or_into_option)]
fn main() {
let opt: Result<u32, &str> = Ok(1);
let _ = opt.map_or(None, Some);
let rewrap = |s: u32| -> Option<u32> { Some(s) };
// A non-Some `f` arg should not emit the lint
let opt: Result<u32, &str> = 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<u32, &str> = Ok(1);
opt.map_or(None, |_x| Some(1));
}