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Fix LayoutDom::unsafe_get

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The raw pointer can be used to extend the lifetime of the inner T
to beyond 'dom.
This commit is contained in:
Anthony Ramine 2020-03-29 19:57:47 +02:00
parent 4279fe5933
commit ea9e62bdca
1 changed files with 4 additions and 5 deletions
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9
components/script/dom/bindings/root.rs
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@ -748,12 +748,11 @@ impl<'dom, T> LayoutDom<'dom, T>
where
T: 'dom + DomObject,
{
/// Returns an unsafe pointer to the interior of this JS object. This is
/// the only method that be safely accessed from layout. (The fact that
/// this is unsafe is what necessitates the layout wrappers.)
pub unsafe fn unsafe_get(&self) -> *const T {
/// Returns a reference to the interior of this JS object. The fact
/// that this is unsafe is what necessitates the layout wrappers.
pub unsafe fn unsafe_get(self) -> &'dom T {
debug_assert!(thread_state::get().is_layout());
self.ptr.as_ptr()
&*self.ptr.as_ptr()
}
}