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ices/58504.rs: fixed with errors #876

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Issue: rust-lang/rust#58504

#![feature(never_type)]
#![feature(impl_trait_in_bindings)]
#![feature(generators,generator_trait)]

use std::ops::Generator;

fn mk_gen() -> impl Generator<Return=!, Yield=()> {
    || { loop { yield; } }
}

fn main() {
    let gens: [impl Generator<Return=!, Yield=()>;2] = [ mk_gen(), mk_gen() ];
}
=== stdout ===
=== stderr ===
error[E0557]: feature has been removed
 --> /home/runner/work/glacier/glacier/ices/58504.rs:2:12
  |
2 | #![feature(impl_trait_in_bindings)]
  |            ^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
  |
  = note: the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done

error[E0562]: `impl Trait` not allowed outside of function and method return types
  --> /home/runner/work/glacier/glacier/ices/58504.rs:12:16
   |
12 |     let gens: [impl Generator<Return=!, Yield=()>;2] = [ mk_gen(), mk_gen() ];
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0557, E0562.
For more information about an error, try `rustc --explain E0557`.
==============

=== stdout ===
=== stderr ===
error[E0557]: feature has been removed
 --> /home/runner/work/glacier/glacier/ices/58504.rs:2:12
  |
2 | #![feature(impl_trait_in_bindings)]
  |            ^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
  |
  = note: the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done

error[E0562]: `impl Trait` not allowed outside of function and method return types
  --> /home/runner/work/glacier/glacier/ices/58504.rs:12:16
   |
12 |     let gens: [impl Generator<Return=!, Yield=()>;2] = [ mk_gen(), mk_gen() ];
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0557, E0562.
For more information about an error, try `rustc --explain E0557`.
==============
@Alexendoo Alexendoo closed this Jul 23, 2021
@Alexendoo Alexendoo deleted the autofix/ices/58504.rs branch July 23, 2021 18:49
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2 participants