23 lines
399 B
Rust
23 lines
399 B
Rust
use std::hash::Hasher;
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pub struct FNVHash(u64);
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impl Hasher for FNVHash {
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fn write(&mut self, bytes: &[u8]) {
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for b in bytes {
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self.0 = self.0.wrapping_mul(0x100000001b3);
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self.0 ^= *b as u64
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}
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}
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fn finish(&self) -> u64 {
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self.0
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}
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}
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impl Default for FNVHash {
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fn default() -> Self {
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FNVHash(0xcbf29ce484222325)
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}
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}
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