rust/tests/ui/expect.rs
2025-07-25 15:54:22 +02:00

41 lines
763 B
Rust

#![warn(clippy::expect_used)]
#![allow(clippy::unnecessary_literal_unwrap)]
fn expect_option() {
let opt = Some(0);
let _ = opt.expect("");
//~^ expect_used
}
fn expect_result() {
let res: Result<u8, u8> = Ok(0);
let _ = res.expect("");
//~^ expect_used
let _ = res.expect_err("");
//~^ expect_used
}
#[allow(clippy::ok_expect)]
#[allow(clippy::err_expect)]
fn issue_15247() {
let x: Result<u8, u8> = Err(0);
x.ok().expect("Huh");
//~^ expect_used
{ x.ok() }.expect("...");
//~^ expect_used
let y: Result<u8, u8> = Ok(0);
y.err().expect("Huh");
//~^ expect_used
{ y.err() }.expect("...");
//~^ expect_used
}
fn main() {
expect_option();
expect_result();
issue_15247();
}