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Introduce LayoutDom::to_layout_slice

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It generalises <LayoutDom<Element>>::attrs.
This commit is contained in:
Anthony Ramine 2020-03-31 21:32:08 +02:00
parent 72c0771299
commit dd750c6f86
2 changed files with 10 additions and 8 deletions
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9
components/script/dom/element.rs
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@ -598,14 +598,7 @@ impl<'dom> LayoutElementHelpers<'dom> for LayoutDom<'dom, Element> {
#[allow(unsafe_code)]
#[inline]
fn attrs(self) -> &'dom [LayoutDom<'dom, Attr>] {
unsafe {
// FIXME(nox): This should probably be done through a ToLayout trait.
let attrs: &[Dom<Attr>] = &self.unsafe_get().attrs.borrow_for_layout();
// This doesn't compile if Dom and LayoutDom don't have the same
// representation.
let _ = mem::transmute::<Dom<Attr>, LayoutDom<Attr>>;
&*(attrs as *const [Dom<Attr>] as *const [LayoutDom<Attr>])
}
unsafe { LayoutDom::to_layout_slice(self.unsafe_get().attrs.borrow_for_layout()) }
}
#[inline]