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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
AK/GenericLexer.cpp
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@ -129,7 +129,7 @@ StringView GenericLexer::consume_quoted_string(char escape_char)
}
#ifndef KERNEL
DeprecatedString GenericLexer::consume_and_unescape_string(char escape_char)
Optional<DeprecatedString> GenericLexer::consume_and_unescape_string(char escape_char)
{
auto view = consume_quoted_string(escape_char);
if (view.is_null())