Struct PopulationMember 

pub struct PopulationMember {
    pub id: String,
    pub params: HashMap<String, Value>,
    pub state: Value,
    pub fitness: Option<f64>,
}

A single member of the population.

Fields

id: String

Stable member identifier (member_<i>).

params: HashMap<String, Value>

Current hyperparameters — copied on exploit, mutated on explore.

state: Value

Trained state, updated after each generation’s training phase and copied along with params when a top performer is exploited.

fitness: Option<f64>

Latest evaluation score, higher is better; None before the first evaluation (a failed evaluation records f64::NEG_INFINITY).

Trait Implementations

impl Clone for PopulationMember

fn clone(&self) -> PopulationMember

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PopulationMember

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.