rust/tests/ui/match_wild_err_arm.rs
2024-05-02 19:42:37 -04:00

86 lines
2.1 KiB
Rust

#![allow(clippy::match_same_arms, dead_code)]
#![warn(clippy::match_wild_err_arm)]
fn issue_10635() {
enum Error {
A,
B,
}
// Don't trigger in const contexts. Const unwrap is not yet stable
const X: () = match Ok::<_, Error>(()) {
Ok(x) => x,
Err(_) => panic!(),
};
}
fn match_wild_err_arm() {
let x: Result<i32, &str> = Ok(3);
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_) => panic!("err"),
//~^ ERROR: `Err(_)` matches all errors
//~| NOTE: match each error separately or use the error output, or use `.expect(ms
}
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_) => panic!(),
//~^ ERROR: `Err(_)` matches all errors
//~| NOTE: match each error separately or use the error output, or use `.expect(ms
}
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_) => {
//~^ ERROR: `Err(_)` matches all errors
//~| NOTE: match each error separately or use the error output, or use `.expect(ms
panic!();
},
}
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_e) => panic!(),
//~^ ERROR: `Err(_e)` matches all errors
//~| NOTE: match each error separately or use the error output, or use `.expect(ms
}
// Allowed when used in `panic!`.
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_e) => panic!("{}", _e),
}
// Allowed when not with `panic!` block.
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_) => println!("err"),
}
// Allowed when used with `unreachable!`.
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_) => unreachable!(),
}
// Allowed when used with `unreachable!`.
match x {
Ok(3) => println!("ok"),
Ok(_) => println!("ok"),
Err(_) => {
unreachable!();
},
}
}
fn main() {}