Struct rand::distributions::WeightedChoice

[+] Show declaration

pub struct WeightedChoice<'a, T: 'a> { /* fields omitted */ }

Deprecated since 0.6.0:

use WeightedIndex instead

[−] Expand description

A distribution that selects from a finite collection of weighted items.

Deprecated: use WeightedIndex instead.

Methods

impl<'a, T: Clone> WeightedChoice<'a, T>[−]

pub fn new(items: &'a mut [Weighted<T>]) -> WeightedChoice<'a, T>[−]

Deprecated since 0.6.0:

use WeightedIndex instead

Create a new WeightedChoice.

Panics if:

• items is empty
• the total weight is 0
• the total weight is larger than a u32 can contain.

Trait Implementations

impl<'a, T: Clone> Distribution<T> for WeightedChoice<'a, T>[+]

[+] Show hidden undocumented items

fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> T[−]

Generate a random value of T, using rng as the source of randomness.

Important traits for DistIter<'a, D, R, T>

impl<'a, D, R, T> Iterator for DistIter<'a, D, R, T> where
    D: Distribution<T>,
    R: Rng + 'a,  type Item = T;

fn sample_iter<'a, R>(&'a self, rng: &'a mut R) -> DistIter<'a, Self, R, T> where
    Self: Sized,
    R: Rng, [−]

Create an iterator that generates random values of T, using rng as the source of randomness.

impl<'a, T: Debug + 'a> Debug for WeightedChoice<'a, T>[+]

[+] Show hidden undocumented items

fn fmt(&self, f: &mut Formatter) -> Result[−]

Formats the value using the given formatter.