Struct RandGenerator

pub struct RandGenerator { /* private fields */ }

Implementations

impl RandGenerator

pub const fn new() -> Self

Examples found in repository

examples/compat_with_state.rs (line 5)

fn main() {
    let randomness = quad_rand::RandGenerator::new();

    let mut vec = vec![1, 2, 3, 4, 5, 6];
    println!("ordered: {:?}", vec);

    // QuadRand is rand::RngCore implementation, allowing to use all the cool stuff from rand
    vec.shuffle(&mut QuadRandWithState(&randomness));
    println!("shuffled: {:?}", vec);
}

examples/basic_with_state.rs (line 5)

fn main() {
    // seed random
    let randomness = qrand::RandGenerator::new();
    randomness.srand(12345);

    // get random number from 0 to u32::MAX
    let x = randomness.rand();

    // get random number from given range
    let x = randomness.gen_range(0., 1.);
    assert!(x >= 0. && x < 1.);
    println!("x={}", x);

    // gen_range works for most of standard number types
    let x: u8 = randomness.gen_range(64, 128);
    assert!(x >= 64 && x < 128);
    println!("x={}", x);
}

pub fn srand(&self, seed: u64)

Examples found in repository

examples/basic_with_state.rs (line 6)

fn main() {
    // seed random
    let randomness = qrand::RandGenerator::new();
    randomness.srand(12345);

    // get random number from 0 to u32::MAX
    let x = randomness.rand();

    // get random number from given range
    let x = randomness.gen_range(0., 1.);
    assert!(x >= 0. && x < 1.);
    println!("x={}", x);

    // gen_range works for most of standard number types
    let x: u8 = randomness.gen_range(64, 128);
    assert!(x >= 64 && x < 128);
    println!("x={}", x);
}

pub fn rand(&self) -> u32

Examples found in repository

examples/basic_with_state.rs (line 9)

fn main() {
    // seed random
    let randomness = qrand::RandGenerator::new();
    randomness.srand(12345);

    // get random number from 0 to u32::MAX
    let x = randomness.rand();

    // get random number from given range
    let x = randomness.gen_range(0., 1.);
    assert!(x >= 0. && x < 1.);
    println!("x={}", x);

    // gen_range works for most of standard number types
    let x: u8 = randomness.gen_range(64, 128);
    assert!(x >= 64 && x < 128);
    println!("x={}", x);
}

pub fn gen_range<T>(&self, low: T, high: T) -> T

where T: RandomRange,

Examples found in repository

examples/basic_with_state.rs (line 12)

fn main() {
    // seed random
    let randomness = qrand::RandGenerator::new();
    randomness.srand(12345);

    // get random number from 0 to u32::MAX
    let x = randomness.rand();

    // get random number from given range
    let x = randomness.gen_range(0., 1.);
    assert!(x >= 0. && x < 1.);
    println!("x={}", x);

    // gen_range works for most of standard number types
    let x: u8 = randomness.gen_range(64, 128);
    assert!(x >= 64 && x < 128);
    println!("x={}", x);
}