rust/tests/ui/lint/unused/must_use-tuple.rs

#![deny(unused_must_use)]

fn foo() -> (Result<(), ()>, ()) {
    (Ok::<(), ()>(()), ())
}

fn main() {
    (Ok::<(), ()>(()),); //~ ERROR unused `Result`

    (Ok::<(), ()>(()), 0, Ok::<(), ()>(()), 5);
    //~^ ERROR unused `Result`
    //~^^ ERROR unused `Result`

    foo(); //~ ERROR unused `Result`

    ((Err::<(), ()>(()), ()), ()); //~ ERROR unused `Result`
}
Add test for #[must_use] in tuples 2019-05-23 21:56:31 +00:00			`#![deny(unused_must_use)]`

Specify tuple element in lint message 2019-05-28 19:12:48 +00:00			`fn foo() -> (Result<(), ()>, ()) {`
			`(Ok::<(), ()>(()), ())`
Add function call to test 2019-05-27 19:38:13 +00:00			`}`

Add test for #[must_use] in tuples 2019-05-23 21:56:31 +00:00			`fn main() {`
path trimming: ignore type aliases 2021-01-28 16:01:36 +00:00			(Ok::<(), ()>(()),); //~ ERROR unused `Result`
Use precise span for must_use tuple components 2019-05-27 15:48:43 +00:00
			`(Ok::<(), ()>(()), 0, Ok::<(), ()>(()), 5);`
path trimming: ignore type aliases 2021-01-28 16:01:36 +00:00			//~^ ERROR unused `Result`
			//~^^ ERROR unused `Result`
Add function call to test 2019-05-27 19:38:13 +00:00
path trimming: ignore type aliases 2021-01-28 16:01:36 +00:00			foo(); //~ ERROR unused `Result`
Add nested must_use variant 2019-06-03 17:50:32 +00:00
path trimming: ignore type aliases 2021-01-28 16:01:36 +00:00			((Err::<(), ()>(()), ()), ()); //~ ERROR unused `Result`
Add test for #[must_use] in tuples 2019-05-23 21:56:31 +00:00			`}`