src/test/ui/rfc-2632-const-trait-impl/const-impl-requires-const-trait.rs


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#![feature(const_trait_impl)]

pub trait A {}
//~^ HELP: mark `A` as const

impl const A for () {}
//~^ ERROR: const `impl` for trait `A` which is not marked with `#[const_trait]`

fn main() {}