46 lines
811 B
Rust
46 lines
811 B
Rust
//@ run-rustfix
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//@ edition:2018
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//@ check-pass
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#![warn(rust_2021_prelude_collisions)]
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#![allow(unreachable_code)]
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macro_rules! foo {
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() => {{
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123;
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S
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}};
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}
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trait MyTry<T> {
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fn try_into(self, _: u8);
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}
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struct S;
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impl MyTry<i32> for S {
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fn try_into(self, _: u8) {}
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}
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trait TryFromU8: Sized {
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fn try_from(_: u8);
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}
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impl TryFromU8 for u32 {
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fn try_from(_: u8) {}
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}
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macro_rules! bar {
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() => {
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u32
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};
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}
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fn main() {
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foo!().try_into(todo!());
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//~^ WARNING trait method `try_into` will become ambiguous in Rust 2021
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//~| WARNING this is accepted in the current edition
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<bar!()>::try_from(0);
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//~^ WARNING trait-associated function `try_from` will become ambiguous in Rust 2021
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//~| WARNING this is accepted in the current edition
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}
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