A const fn crc32 checksum implementation.
rust
const BYTES: &[u8] = "The quick brown fox jumps over the lazy dog".as_bytes();
const CKSUM: u32 = const_crc32::crc32(BYTES);
assert_eq!(CKSUM, 0x414fa339_u32);
This is a naive implementation that should be expected to have poor performance
if used on dynamic data at runtime. Usage should generally be restricted to declaring
const variables based on static or const data available at build time.
#[const_eval_limit]This crate sets #[const_eval_limit] to 1,000,000,000 to avoid hitting the limit when
executing the const fn, which requires #![feature(const_eval_limit)].
Compile time for const data around 100k is less than 1s.