ecrs 0.1.0-beta.4

Evolutionary computation tools & algorithms
Documentation 
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use serde::Serialize;
use std::fs::File;

#[derive(Serialize)]
struct JsonRecord {
    generation_number: usize,
    best_fitness: f64,
    best_individual: Vec<f64>,
}

pub struct JsonProbe {
    writer: File,
    best_fitness: f64,
    generation_number: usize,
    best_chromosome: Vec<f64>,
    records: Vec<JsonRecord>,
}

impl JsonProbe {
    pub fn new(file: String) -> JsonProbe {
        JsonProbe {
            writer: File::create(file).unwrap(),
            best_fitness: 0f64,
            generation_number: 0,
            best_chromosome: vec![],
            records: vec![],
        }
    }
}

// impl Probe for JsonProbe {
//   fn on_start(&mut self) {
//     /* defaults to noop */
//   }
//   fn on_new_best(&mut self, individual: &Individual) {
//     /* defaults to noop */
//   }
//   fn on_mutation(&mut self, before: &Individual, after: &Individual) {
//     /* defaults to noop */
//   }
//   fn on_new_generation(&mut self, generation: &Vec<Individual>) {
//     println!("Calling on new generation");
//     self.records.push(JsonRecord {
//       generation_number: self.generation_number,
//       best_fitness: self.best_fitness,
//       best_individual: self.best_chromosome.clone()
//     });
//   }
//   fn on_best_fit_in_generation(&mut self, individual: &Individual) {
//     self.best_fitness = individual.fitness;
//     self.best_chromosome = individual.chromosome.clone();
//   }
//   fn on_iteration_start(&mut self, iteration: usize) {
//     self.generation_number = iteration;
//   }
//   fn on_iteration_end(&mut self, iteration: usize) {
//     /* defaults to noop */
//   }
//   fn on_end(&mut self) {
//     serde_json::to_writer_pretty(&self.writer, &self.records);
//   }
// }