1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

//! Specifies evolution strategies.

use super::*;

#[cfg(feature = "async-evolution")]
mod async_iterative;
#[cfg(feature = "async-evolution")]
pub use self::async_iterative::{AsyncIterative, AsyncParams};

mod iterative;
pub use self::iterative::Iterative;

/// An evolution algorithm strategy.
pub trait EvolutionStrategy {
    /// A heuristic context type.
    type Context: HeuristicContext<Objective = Self::Objective, Solution = Self::Solution>;
    /// A heuristic objective type.
    type Objective: HeuristicObjective<Solution = Self::Solution>;
    /// A solution type.
    type Solution: HeuristicSolution;

    /// Runs evolution and returns a population with solution(-s).
    fn run(
        &mut self,
        heuristic_ctx: Self::Context,
        termination: Box<dyn Termination<Context = Self::Context, Objective = Self::Objective>>,
    ) -> EvolutionResult<Self::Solution>;
}