rust/tests/ui/rust-2021/future-prelude-collision-generic-trait.rs
2024-02-16 20:02:50 +00:00

31 lines
694 B
Rust

// See https://github.com/rust-lang/rust/issues/88470
//@ run-rustfix
//@ edition:2018
//@ check-pass
#![warn(rust_2021_prelude_collisions)]
#![allow(dead_code)]
#![allow(unused_imports)]
pub trait PyTryFrom<'v, T>: Sized {
fn try_from<V>(value: V) -> Result<&'v Self, T>;
}
pub trait PyTryInto<T>: Sized {
fn try_into(&self) -> Result<&T, i32>;
}
struct Foo;
impl<U> PyTryInto<U> for Foo
where
U: for<'v> PyTryFrom<'v, i32>,
{
fn try_into(&self) -> Result<&U, i32> {
U::try_from(self)
//~^ WARNING trait-associated function `try_from` will become ambiguous in Rust 2021
//~| this is accepted in the current edition (Rust 2018)
}
}
fn main() {}