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warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/functions.rs:3:12
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LL | #![feature(const_generics, rustc_attrs)]
| ^^^^^^^^^^^^^^
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= note: `#[warn(incomplete_features)]` on by default
= note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
error: item has unused generic parameters
--> $DIR/functions.rs:15:8
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LL | pub fn unused<const T: usize>() {
| ^^^^^^ - generic parameter `T` is unused
error: aborting due to previous error; 1 warning emitted
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