build_table

Function build_table 

Source
const fn build_table() -> [u64; 256]
Expand description

Build the full 256‑entry table at compile time.

We cannot yet write for _ in 0..256 here: for loops rely on Iterator::next, which is not const on stable Rust. Until the const_for feature (tracking issue #87575) is stabilized, a while loop is the only option in a const fn