| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/servo/components/style_traits/ (Firefox Browser Version 153.0.1©) Datei vom 27.6.2026 mit Größe 1 kB |
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Quelle dom.rsSprache: Rust |
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/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ //! Types used to access the DOM from style calculation. /// An opaque handle to a node, which, unlike UnsafeNode, cannot be transformed /// back into a non-opaque representation. The only safe operation that can be /// performed on this node is to compare it to another opaque handle or to another /// OpaqueNode. /// /// Layout and Graphics use this to safely represent nodes for comparison purposes. /// Because the script task's GC does not trace layout, node data cannot be safely stored in layo /// data structures. Also, layout code tends to be faster when the DOM is not being accessed, for /// locality reasons. Using `OpaqueNode` enforces this invariant. #[derive(Clone, Copy, Debug, Eq, Hash, MallocSizeOf, PartialEq)] #[cfg_attr(feature = "servo", derive(Deserialize, Serialize))] pub struct OpaqueNode(pub usize); impl OpaqueNode { /// Returns the address of this node, for debugging purposes. #[inline] pub fn id(&self) -> usize { self.0 } }
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2026-08-25