Struct Population

Source

pub struct Population<G>where
    G: Genome,
{ /* private fields */ }

Expand description

A population is a collection of evaluated individuals (fitness).

Implementations§

Source §

impl<G> Population<G>
where G: Genome,

Source

pub fn individuals(&self) -> &[Individual<G>]

Return a list of individuals in this population.

Source

pub fn size(&self) -> usize

Return population size.

Source

pub fn is_oversized(&self) -> bool

Return true of there are too many individuals in this population.

Source

pub fn size_limit(&self) -> usize

Return population size limit.

Source

pub fn evaluate_with<F: EvaluateFitness<G>>(&mut self, fitness: &mut F)

Re-evaluate individuals in population with fitness function.

Source

pub fn weight_with(&mut self, weight: f64)

Re-evaluate individual fitness with individual weight.

Source

pub fn build<F>(indvs: Vec<Individual<G>>, fitness: &mut F) -> Self
where F: EvaluateFitness<G>,

Build a population from individuals indvs and fitness function. The population size limit is set as the size of indvs.

Source

pub fn with_size_limit(self, limit: usize) -> Self

Construct with population size limit.

Source §

impl<G> Population<G>
where G: Genome,

Source

pub fn members(&self) -> impl Iterator<Item = Member<'_, G>>

Return a member view of individuals with associated fitness values.

Source

pub fn best_member(&self) -> Option<Member<'_, G>>

Return a member view of the best individual in this population.

Source §

impl<G> Population<G>
where G: Genome,

Source

pub fn survive(&mut self) -> usize

Remove some bad performing individuals to fit the population size limit constrain.

§Returns

return the number of individuals to be removed.

Trait Implementations§

Source §

impl<G> Clone for Population<G>
where G: Genome + Clone,

Source §

fn clone(&self) -> Population<G>

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

Source §

impl<G> Debug for Population<G>
where G: Genome + Debug,

Source §

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<G> UnwindSafe for Population<G>
where G: UnwindSafe,

Blanket Implementations§

Source §

impl<T> Any for T
where T: 'static + ?Sized,

Source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

Source §

impl<T> Borrow<T> for T
where T: ?Sized,

Source §

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

Source §

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source §

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

Source §

impl<T> CloneToUninit for T
where T: Clone,

Source §

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

Source §

impl<T> From<T> for T

Source §

fn from(t: T) -> T

Returns the argument unchanged.

Source §

impl<T, U> Into for T
where U: From<T>,

Source §

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source §

impl<T> IntoEither for T

Source §

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

Source §