zerostack 1.5.0-rc2

Minimalistic coding agent written in Rust, optimized for memory footprint and performance
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const CRC32_TABLE: [u32; 256] = {
    let mut table = [0u32; 256];
    let mut i = 0usize;
    while i < 256 {
        let mut crc = i as u32;
        let mut j = 0;
        while j < 8 {
            if crc & 1 != 0 {
                crc = 0xEDB88320 ^ (crc >> 1);
            } else {
                crc >>= 1;
            }
            j += 1;
        }
        table[i] = crc;
        i += 1;
    }
    table
};

pub fn crc32(data: &[u8]) -> u32 {
    let mut crc = !0u32;
    for &byte in data {
        let idx = ((crc as u8) ^ byte) as usize;
        crc = CRC32_TABLE[idx] ^ (crc >> 8);
    }
    !crc
}

pub fn crc32_hex(data: &[u8]) -> String {
    format!("{:08x}", crc32(data))
}