ecrs 0.1.0-beta.4

Evolutionary computation tools & algorithms
Documentation 
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use crate::pso::probe::Probe;
use crate::pso::swarm::Swarm;

pub struct StdoutProbe {}

impl StdoutProbe {
    pub fn new() -> StdoutProbe {
        StdoutProbe {}
    }
}

impl Probe for StdoutProbe {
    fn on_begin(&mut self, swarm: &Swarm) {
        println!("Swarm at the start:\n{swarm}");
    }

    fn on_end(&mut self, swarm: &Swarm, _generation: usize) {
        println!("\nSwarm at the end:\n{swarm}");
    }

    fn on_new_generation(&mut self, swarm: &Swarm, generation: usize) {
        println!(
            "\nSwarm after {} {}:\n{}",
            generation,
            if generation == 1 {
                "generation"
            } else {
                "generations"
            },
            swarm
        );
    }
}