1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
struct Wrapper<T>(T);
impl Wrapper<Option<i32>> {
fn inner_mut(&self) -> Option<&mut i32> {
self.as_mut()
//~^ ERROR no method named `as_mut` found for reference `&Wrapper<Option<i32>>` in the current scope
//~| HELP one of the expressions' fields has a method of the same name
//~| HELP items from traits can only be used if
}
fn inner_mut_bad(&self) -> Option<&mut u32> {
self.as_mut()
//~^ ERROR no method named `as_mut` found for reference `&Wrapper<Option<i32>>` in the current scope
//~| HELP items from traits can only be used if
}
}
fn main() {}
|
