| // 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() {} |
