rust/tests/ui/trait-bounds/impl-derived-implicit-sized-bound.rs
2023-01-11 09:32:08 +00:00

37 lines
624 B
Rust

struct Victim<'a, T: Perpetrator + ?Sized>
where
Self: Sized
{
value: u8,
perp: &'a T,
}
trait VictimTrait {
type Ret;
fn get(self) -> Self::Ret;
}
// Actual fix is here
impl<'a, T: Perpetrator /*+ ?Sized*/> VictimTrait for Victim<'a, T> {
type Ret = u8;
fn get(self) -> Self::Ret {
self.value
}
}
trait Perpetrator {
fn getter<'a>(&'a self) -> Victim<'a, Self> {
Victim {
value: 0,
perp: self,
}
}
fn trigger(&self) {
self.getter().get();
//~^ ERROR the method `get` exists for struct `Victim<'_, Self>`, but its trait bounds were not satisfied
}
}
fn main() {}