14 lines
384 B
Rust
14 lines
384 B
Rust
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#![feature(adt_const_params)]
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//~^ WARN the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes [incomplete_features]
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#[derive(PartialEq, Eq)]
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enum Nat {
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Z,
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S(Box<Nat>),
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}
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fn foo<const N: Nat>() {}
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//~^ ERROR `Box<Nat>` must be annotated with `#[derive(PartialEq, Eq)]` to be used as the type of a const parameter
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fn main() {}
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