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LibWeb: Add fast_is<T>() for some DOM and layout node subclasses
The generic is<T>() uses dynamic_cast which is fine in the majority of cases, but when one of them shows up in profiles, we can make it faster by answering the is-a question manually.
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7 changed files with 24 additions and 17 deletions
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@ -134,13 +134,7 @@ private:
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OwnPtr<StackingContext> m_stacking_context;
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};
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}
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namespace AK {
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template<>
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inline bool is<Web::Layout::Box>(const Web::Layout::Node& input)
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{
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return input.is_box();
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}
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inline bool Node::fast_is<Box>() const { return is_box(); }
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}
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