File: issue-89856.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-2
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 934,168 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (18 lines) | stat: -rw-r--r-- 476 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
//@ run-rustfix

fn take_str_maybe(_: Option<&str>) { }
fn main() {
    let string = String::from("Hello, world");

    let option: Option<String> = Some(string.clone());
    take_str_maybe(option);
    //~^ ERROR: mismatched types [E0308]

    let option_ref = Some(&string);
    take_str_maybe(option_ref);
    //~^ ERROR: mismatched types [E0308]

    let option_ref_ref = option_ref.as_ref();
    take_str_maybe(option_ref_ref);
    //~^ ERROR: mismatched types [E0308]
}