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LibWeb: Cache the result of Selector::specificity()
This function was showing up as taking 30% of all runtime during a profile of Browser. This change effectively eliminates it completely.
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2 changed files with 7 additions and 1 deletions
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@ -138,6 +138,7 @@ private:
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explicit Selector(Vector<CompoundSelector>&&);
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Vector<CompoundSelector> m_compound_selectors;
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mutable Optional<u32> m_specificity;
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};
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constexpr StringView pseudo_element_name(Selector::SimpleSelector::PseudoElement);
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