33 lines
721 B
Rust
33 lines
721 B
Rust
// edition:2018
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#![warn(rust_2021_prelude_collisions)]
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#![allow(dead_code)]
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#![allow(unused_imports)]
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mod m {
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pub trait TryIntoU32 {
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fn try_into(self) -> Result<u32, ()>;
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}
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impl TryIntoU32 for u8 {
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fn try_into(self) -> Result<u32, ()> {
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Ok(self as u32)
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}
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}
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pub trait AnotherTrick {}
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}
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mod d {
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use crate::m::AnotherTrick as TryIntoU32;
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use crate::m::*;
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fn main() {
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// Here, `TryIntoU32` is imported but shadowed, but in that case we don't permit its methods
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// to be available.
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let _: u32 = 3u8.try_into().unwrap();
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//~^ ERROR no method named `try_into` found for type `u8` in the current scope
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}
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}
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fn main() {}
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