RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 14:37:45 +00:00
Code Issues Activity Actions

LibWeb: Add fast_is<T>() for some DOM and layout node subclasses

Browse source 
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.
This commit is contained in:
Andreas Kling 2021-01-17 09:34:01 +01:00
parent 65fa0c2774
commit fd441b954d
7 changed files with 24 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Userland/Libraries/LibWeb/Layout/Box.h
View file

@ -134,13 +134,7 @@ private:
OwnPtr<StackingContext> m_stacking_context;
};
}
namespace AK {
template<>
inline bool is<Web::Layout::Box>(const Web::Layout::Node& input)
{
return input.is_box();
}
inline bool Node::fast_is<Box>() const { return is_box(); }
}