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AK+Everywhere: Remove the null state of DeprecatedString

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This commit removes DeprecatedString's "null" state, and replaces all
its users with one of the following:
- A normal, empty DeprecatedString
- Optional<DeprecatedString>

Note that null states of DeprecatedFlyString/StringView/etc are *not*
affected by this commit. However, DeprecatedString::empty() is now
considered equal to a null StringView.
This commit is contained in:
Ali Mohammad Pur 2023-10-10 15:00:58 +03:30 • committed by Ali Mohammad Pur
parent daf6d8173c
commit aeee98b3a1
189 changed files with 597 additions and 652 deletions
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2
Userland/Libraries/LibWeb/DOM/Attr.h
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@ -41,7 +41,7 @@ public:
// Always returns true: https://dom.spec.whatwg.org/#dom-attr-specified
constexpr bool specified() const { return true; }
void handle_attribute_changes(Element&, DeprecatedString const& old_value, DeprecatedString const& new_value);
void handle_attribute_changes(Element&, Optional<DeprecatedString> old_value, Optional<DeprecatedString> new_value);
private:
Attr(Document&, QualifiedName, String value, Element*);