dicetest/
seed.rs

1use getrandom::getrandom;
2
3/// A seed for pseudorandomness.
4#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
5pub struct Seed(pub u64);
6
7impl Seed {
8    /// Creates a random seed using the random number generator of the operating system.
9    ///
10    /// # Panics
11    ///
12    /// If the operation system fails to generate the needed amount of random bytes this function
13    /// will panic. See the documentation of [getrandom] for more details.
14    ///
15    /// [getrandom]: https://docs.rs/getrandom
16    pub fn random() -> Self {
17        let mut buf = [0u8; 8];
18        getrandom(&mut buf).expect("Random seed generation has failed");
19        let seed = u64::from_le_bytes(buf);
20        Seed(seed)
21    }
22}
23
24impl From<u64> for Seed {
25    fn from(seed: u64) -> Self {
26        Seed(seed)
27    }
28}
dicetest/seed.rs

dicetest/
seed.rs
