//@ run-rustfix
#![feature(generic_const_exprs, unsized_const_params, adt_const_params)]
#![allow(incomplete_features, dead_code)]

struct FieldElement<const N: &'static str> where [(); num_limbs(N)]: {
    n: [u64; num_limbs(N)],
    //~^ ERROR unconstrained generic constant
}
const fn num_limbs(_: &str) -> usize {
    0
}

fn main() {}