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Upgrade rustc to d3c49d2140fc65e8bb7d7cf25bfe74dda6ce5ecf/rustc-1.0.0-dev.

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Ms2ger 2015-03-11 11:08:57 +01:00 • committed by Josh Matthews
parent 65d4b12bf2
commit 5f15eb5fbf
140 changed files with 1420 additions and 1222 deletions
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10
components/util/fnv.rs
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@ -5,7 +5,8 @@
//! This file stolen wholesale from rustc/src/librustc/util/nodemap.rs
use std::default::Default;
use std::hash::{Hasher, Writer};
use std::hash::Hasher;
use std::num::wrapping::WrappingOps;
/// A speedy hash algorithm for node ids and def ids. The hashmap in
/// libcollections by default uses SipHash which isn't quite as speedy as we
@ -22,17 +23,12 @@ impl Default for FnvHasher {
}
impl Hasher for FnvHasher {
type Output = u64;
fn reset(&mut self) { *self = Default::default(); }
fn finish(&self) -> u64 { self.0 }
}
impl Writer for FnvHasher {
fn write(&mut self, bytes: &[u8]) {
let FnvHasher(mut hash) = *self;
for byte in bytes.iter() {
hash = hash ^ (*byte as u64);
hash = hash * 0x100000001b3;
hash = hash.wrapping_mul(0x100000001b3);
}
*self = FnvHasher(hash);
}