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LibJS: Add a bunch of fast_is<T> helpers for commonly checked types

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Based on what was hitting dynamic_cast<T> on Speedometer.
This commit is contained in:
Andreas Kling
2025-04-18 10:17:45 +02:00
committed by Andreas Kling
parent c0cbd439a2
commit 84626c7db2
Notes: github-actions[bot] 2025-04-18 12:48:02 +00:00 
Author: https://github.com/awesomekling
Commit: https://github.com/LadybirdBrowser/ladybird/commit/84626c7db27
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4395
4 changed files with 41 additions and 1 deletions
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Libraries/LibJS/Runtime/Object.h
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@@ -191,6 +191,7 @@ public:
virtual bool is_dom_node() const { return false; }
virtual bool is_function() const { return false; }
virtual bool is_promise() const { return false; }
virtual bool is_error() const { return false; }
virtual bool is_date() const { return false; }
virtual bool is_number_object() const { return false; }