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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/rust-2021/future-prelude-collision-generic-trait.fixed | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/rust-2021/future-prelude-collision-generic-trait.fixed b/src/test/ui/rust-2021/future-prelude-collision-generic-trait.fixed new file mode 100644 index 000000000..a1b6f5b16 --- /dev/null +++ b/src/test/ui/rust-2021/future-prelude-collision-generic-trait.fixed @@ -0,0 +1,30 @@ +// 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 as PyTryFrom<'_, _>>::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() {} |