Crate choose_rand 

choose-rand

A small crate for choosing random items from a list of weighted items.

Example

use choose_rand::prelude::*;

#[derive(Debug, Clone)]
struct Foo {
    prob: f32,
}

impl Probable for Foo {
    fn probability(&self) -> f32 {
        self.prob
    }
}

fn main() -> Result<()> {
    let v: Vec<_> = choose_rand::helper::refcellify(
        vec![Foo { prob: 0.25 }, Foo { prob: 0.5 }, Foo { prob: 0.1 }, Foo { prob: 0.05 }]
    ).collect();

    let mut rng = rand::thread_rng();    
    dbg!(v.choose_rand(&mut rng));

    Ok(())
}

Modules

error

Contains the error enum for this crate.

helper

Contains some simple helper functions to make life easier when using this crate.

prelude

Contains all of the important things from this crate. When using the crate, you want to do use choose_rand::prelude::*;

rand

Adds all the main parts of the crate, including the traits required for the crate to work