rust/tests/ui/error-codes/e0119/auxiliary/issue-23563-a.rs
2023-01-11 09:32:08 +00:00

26 lines
492 B
Rust

// Ref: https://github.com/rust-lang/rust/issues/23563#issuecomment-260751672
pub trait LolTo<T> {
fn convert_to(&self) -> T;
}
pub trait LolInto<T>: Sized {
fn convert_into(self) -> T;
}
pub trait LolFrom<T> {
fn from(_: T) -> Self;
}
impl<'a, T: ?Sized, U> LolInto<U> for &'a T where T: LolTo<U> {
fn convert_into(self) -> U {
self.convert_to()
}
}
impl<T, U> LolFrom<T> for U where T: LolInto<U> {
fn from(t: T) -> U {
t.convert_into()
}
}