rust-clippy/tests/ui/option_map_or_none.fixed

27 lines
638 B
Rust
Raw Normal View History

//@run-rustfix
#![allow(clippy::bind_instead_of_map)]
fn main() {
let opt = Some(1);
2021-11-19 07:17:17 +00:00
let r: Result<i32, i32> = Ok(1);
2021-11-15 17:53:35 +00:00
let bar = |_| Some(1);
// Check `OPTION_MAP_OR_NONE`.
// Single line case.
2021-11-15 17:53:35 +00:00
let _: Option<i32> = opt.map(|x| x + 1);
// Multi-line case.
#[rustfmt::skip]
2021-11-15 17:53:35 +00:00
let _: Option<i32> = opt.map(|x| x + 1);
2021-11-15 06:47:57 +00:00
// function returning `Option`
2021-11-15 17:53:35 +00:00
let _: Option<i32> = opt.and_then(bar);
2021-11-17 15:43:49 +00:00
let _: Option<i32> = opt.and_then(|x| {
let offset = 0;
let height = x;
Some(offset + height)
});
2021-11-19 07:17:17 +00:00
// Check `RESULT_MAP_OR_INTO_OPTION`.
let _: Option<i32> = r.ok();
}