3 #![feature(trait_alias)]
5 pub trait State = Clone + Send + Sync + PartialOrd + PartialEq + std::fmt::Display;
6 pub trait RandState<S: State> = FnMut() -> S + Send;
12 pub struct Evolver<E: Evaluator> {
13 rand_state: Box<dyn RandState<E::State>>,