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 CsvRecord {
    generation_number: usize,
    best_fitness: f64,
}

pub struct CsvProbe {
    writer: csv::Writer<File>,
    best_fitness: f64,
    generation_number: usize,
}

impl CsvProbe {
    pub fn new(file: String) -> CsvProbe {
        CsvProbe {
            writer: csv::WriterBuilder::new().from_path(file).unwrap(),
            best_fitness: 0f64,
            generation_number: 0,
        }
    }
}

// impl Probe for CsvProbe {
//   fn on_start(&mut self) {
//     /* noop */
//   }

//   fn on_new_best(&mut self, individual: &Individual) {
//     /* noop */
//   }

//   fn on_mutation(&mut self, before: &Individual, after: &Individual) {
//     /* noop */
//   }

//   fn on_new_generation(&mut self, generation: &Vec<Individual>) {
//     let record = CsvRecord {
//       generation_number: self.generation_number, // TODO: Take it as arg or save context in other methods
//       best_fitness: self.best_fitness, // TODO: take it as arg or save context in other methods
//     };

//     self.writer.serialize(record);
//     self.writer.flush();
//   }

//   fn on_best_fit_in_generation(&mut self, individual: &Individual) {
//     self.best_fitness = individual.fitness;
//   }

//   fn on_iteration_start(&mut self, iteration: usize) {
//     self.generation_number = iteration;
//   }

//   fn on_iteration_end(&mut self, iteration: usize) {
//     /* noop */
//   }
// }