File: issue-89856.fixed

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (18 lines) | stat: -rw-r--r-- 527 bytes parent folder | download | duplicates (6)
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.as_deref());
    //~^ ERROR: mismatched types [E0308]

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

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