rust/tests/ui/coercion/coerce-block-tail-57749.rs

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2022-10-16 20:03:23 +00:00
// check-fail
use std::ops::Deref;
fn main() {
fn save(who: &str) {
println!("I'll save you, {}!", who);
}
struct Madoka;
impl Deref for Madoka {
type Target = str;
fn deref(&self) -> &Self::Target {
"Madoka"
}
}
save(&{ Madoka });
fn reset(how: &u32) {
println!("Reset {} times", how);
}
struct Homura;
impl Deref for Homura {
type Target = u32;
fn deref(&self) -> &Self::Target {
&42
}
}
reset(&{ Homura });
//~^ ERROR mismatched types
}