Sha256: 4dc1a4e6f31a2f25d41fc7ee4ed2ae94563a090cdc77d7bbd972aa4098bd4f01
Contents?: true
Size: 479 Bytes
Versions: 36
Compression:
Stored size: 479 Bytes
Contents
//! This module provides a primitive hash function.
/// A primitive hash function for matching opcodes.
pub fn simple_hash(s: &str) -> usize {
let mut h: u32 = 5381;
for c in s.chars() {
h = (h ^ c as u32).wrapping_add(h.rotate_right(6));
}
h as usize
}
#[cfg(test)]
mod tests {
use super::simple_hash;
#[test]
fn basic() {
assert_eq!(simple_hash("Hello"), 0x2fa70c01);
assert_eq!(simple_hash("world"), 0x5b0c31d5);
}
}
Version data entries
36 entries across 36 versions & 1 rubygems