File: must_use-tuple.rs

package info (click to toggle)
rustc-web 1.70.0%2Bdfsg1-7~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,517,036 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,006; asm: 2,856
file content (17 lines) | stat: -rw-r--r-- 369 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
#![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`
}