rust/tests/ui/typeck/issue-89856.rs

19 lines
476 B
Rust

//@ 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]
}