inside_baseball/utils/
byte_array.rs

1use std::{fmt, iter::Copied, ops::Deref, slice};
2
3#[derive(Clone)]
4pub struct ByteArray<const CAPACITY: usize> {
5    len: u8,
6    data: [u8; CAPACITY],
7}
8
9impl<const CAPACITY: usize> Default for ByteArray<CAPACITY> {
10    fn default() -> Self {
11        Self {
12            len: 0,
13            data: [0; CAPACITY],
14        }
15    }
16}
17
18impl<const CAPACITY: usize> ByteArray<CAPACITY> {
19    pub fn new() -> Self {
20        Self::default()
21    }
22
23    pub fn as_slice(&self) -> &[u8] {
24        self
25    }
26
27    pub fn push(&mut self, item: u8) {
28        self.data[usize::from(self.len)] = item;
29        self.len += 1;
30    }
31}
32
33impl<const CAPACITY: usize> PartialEq for ByteArray<CAPACITY> {
34    fn eq(&self, other: &Self) -> bool {
35        self.as_slice() == other.as_slice()
36    }
37}
38
39impl<const CAPACITY: usize> Deref for ByteArray<CAPACITY> {
40    type Target = [u8];
41
42    fn deref(&self) -> &Self::Target {
43        &self.data[..usize::from(self.len)]
44    }
45}
46
47impl<const CAPACITY: usize> fmt::Debug for ByteArray<CAPACITY> {
48    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
49        self.as_slice().fmt(f)
50    }
51}
52
53impl<'a, const CAPACITY: usize> IntoIterator for &'a ByteArray<CAPACITY> {
54    type Item = u8;
55    type IntoIter = Copied<slice::Iter<'a, u8>>;
56
57    fn into_iter(self) -> Self::IntoIter {
58        self.data[..self.len.into()].iter().copied()
59    }
60}
inside_baseball/utils/byte_array.rs

inside_baseball/utils/
byte_array.rs
