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#![feature(rustc_private)]
//@ edition: 2021
//@ check-pass
// Checks that the derive macro still works even if the surrounding code has
// shadowed the relevant library types.
extern crate rustc_macros;
mod submod {
use rustc_macros::TryFromU32;
struct Result;
trait TryFrom {}
#[allow(non_camel_case_types)]
struct u32;
struct Ok;
struct Err;
mod core {}
mod std {}
#[derive(TryFromU32)]
pub(crate) enum MyEnum {
Zero,
One,
}
}
fn main() {
use submod::MyEnum;
let _: Result<MyEnum, u32> = MyEnum::try_from(1u32);
}
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