Get random enum rust

Your own enum

Like most abstractions in Rust, random value generation is powered by traits. Implementing a trait is the same for any particular type, the only difference is exactly what the methods and types of the trait are.
Rand 0.5, 0.6, 0.7, and 0.8

Implement Distribution using your enum as the type parameter. You also need to choose a specific type of distribution; Standard is a good default choice. Then use any of the methods to generate a value, such as rand::random:

use rand::{
    distributions::{Distribution, Standard},
    Rng,
}; // 0.8.0

#[derive(Debug)]
enum Spinner {
    One,
    Two,
    Three,
}

impl Distribution<Spinner> for Standard {
    fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> Spinner {
        // match rng.gen_range(0, 3) { // rand 0.5, 0.6, 0.7
        match rng.gen_range(0..=2) { // rand 0.8
            0 => Spinner::One,
            1 => Spinner::Two,
            _ => Spinner::Three,
        }
    }
}

fn main() {
    let spinner: Spinner = rand::random();
    println!("{:?}", spinner);
}

Source: stackoverflow.com

Similar codes

0 vote208 views1 answer
Split text on multiple separators and put into a list
Rust
0 vote225 views1 answer
Rust multiplication table for a number
Rust
0 vote240 views1 answer
Create thread in rust
Rust
0 vote200 views1 answer
Rust read lines from stdin and return a vec
Rust
0 vote210 views1 answer
Rust lang enum
Rust
3 votes416 views1 answer
Rust get current directory
Rust
0 vote192 views2 answers
Rust convert integer to string
Rust
0 vote220 views1 answer
Rust bevy states
Rust
0 vote215 views1 answer
Rust from floating point to money
Rust
0 vote209 views1 answer
Rust create hashmap from delimited data in string
Rust