rust/tests/ui/suggestions/issue-59819.fixed
2024-02-16 20:02:50 +00:00

36 lines
757 B
Rust

//@ run-rustfix
#![allow(warnings)]
// Test that suggestion to add `*` characters applies to implementations of `Deref` as well as
// references.
struct Foo(i32);
struct Bar(String);
impl std::ops::Deref for Foo {
type Target = i32;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl std::ops::Deref for Bar {
type Target = String;
fn deref(&self) -> &Self::Target {
&self.0
}
}
fn main() {
let x = Foo(42);
let y: i32 = *x; //~ ERROR mismatched types
let a = &42;
let b: i32 = *a; //~ ERROR mismatched types
// Do not make a suggestion when adding a `*` wouldn't actually fix the issue:
let f = Bar("bar".to_string());
let g: String = f.to_string(); //~ ERROR mismatched types
}