const BASIS: u32 = 0x811c9dc5; | |
const PRIME: u32 = 0x1000193; | |
/// 32-bit Fowler-Noll-Vo hasher | |
pub struct Hasher { | |
state: u32, | |
} | |
impl Default for Hasher { | |
fn default() -> Self { | |
Hasher { state: BASIS } | |
} | |
} | |
impl ::Hasher for Hasher { | |
#[inline] | |
fn finish(&self) -> u32 { | |
self.state | |
} | |
#[inline] | |
fn write(&mut self, bytes: &[u8]) { | |
for byte in bytes { | |
self.state ^= u32::from(*byte); | |
self.state = self.state.wrapping_mul(PRIME); | |
} | |
} | |
} |