vitaminc_random/
lib.rs

1#![doc = include_str!("../README.md")]
2use thiserror::Error;
3mod bounded;
4mod generatable;
5mod safe_rand;
6
7pub use bounded::BoundedRng;
8#[doc(inline)]
9pub use generatable::Generatable;
10pub use safe_rand::SafeRand;
11
12// Re-exports
13pub use rand::{Fill, RngCore, SeedableRng};
14
15/// Derive macro for `Generatable`
16pub use vitaminc_random_derives::Generatable;
17
18#[derive(Error, Debug)]
19pub enum RandomError {
20    #[error("Generation failed")]
21    GenerationFailed,
22}
23
24#[cfg(test)]
25mod tests {
26    use super::{Generatable, SafeRand, SeedableRng};
27    use std::num::NonZeroU16;
28
29    #[test]
30    fn test_generate_nonzerou16() -> Result<(), crate::RandomError> {
31        let mut rng = SafeRand::from_entropy();
32        let value: NonZeroU16 = Generatable::random(&mut rng)?;
33        assert_ne!(value.get(), 0);
34        Ok(())
35    }
36}