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use proptest::prelude::*;
use serde::{Deserialize, Serialize};
use std::fmt;
#[derive(Clone, Copy, Debug, Hash, Eq, PartialEq, Ord, PartialOrd, Serialize, Deserialize)]
pub struct Nibble(u8);
impl From<u8> for Nibble {
fn from(nibble: u8) -> Self {
assert!(nibble < 16, "Nibble out of range: {}", nibble);
Self(nibble)
}
}
impl From<Nibble> for u8 {
fn from(nibble: Nibble) -> Self {
nibble.0
}
}
impl fmt::LowerHex for Nibble {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{:x}", self.0)
}
}
impl Arbitrary for Nibble {
type Parameters = ();
type Strategy = BoxedStrategy<Self>;
fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
(0..16u8).prop_map(Self::from).boxed()
}
}