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style: Iterate the LRU cache contents from back to front.

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We put the more recently used item last, so iterating then from left to right is
pointless.
This commit is contained in:
Emilio Cobos Álvarez 2017-03-09 15:39:17 +01:00
parent 2f8cf6afc3
commit d3e7f1f0f4
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2 changed files with 15 additions and 9 deletions
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5
components/style/matching.rs
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@ -10,7 +10,7 @@
use {Atom, LocalName};
use animation::{self, Animation, PropertyAnimation};
use atomic_refcell::AtomicRefMut;
use cache::LRUCache;
use cache::{LRUCache, LRUCacheMutIterator};
use cascade_info::CascadeInfo;
use context::{SequentialTask, SharedStyleContext, StyleContext};
use data::{ComputedStyle, ElementData, ElementStyles, RestyleData};
@ -27,7 +27,6 @@ use selectors::matching::AFFECTED_BY_PSEUDO_ELEMENTS;
use servo_config::opts;
use sink::ForgetfulSink;
use std::collections::hash_map::Entry;
use std::slice::IterMut;
use std::sync::Arc;
use stylist::ApplicableDeclarationBlock;
@ -366,7 +365,7 @@ impl<E: TElement> StyleSharingCandidateCache<E> {
}
}
fn iter_mut(&mut self) -> IterMut<StyleSharingCandidate<E>> {
fn iter_mut(&mut self) -> LRUCacheMutIterator<StyleSharingCandidate<E>> {
self.cache.iter_mut()
}