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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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4
AK/DeprecatedFlyString.cpp
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@ -38,8 +38,6 @@ void DeprecatedFlyString::did_destroy_impl(Badge<StringImpl>, StringImpl& impl)
DeprecatedFlyString::DeprecatedFlyString(DeprecatedString const& string)
{
if (string.is_null())
return;
if (string.impl()->is_fly()) {
m_impl = string.impl();
return;
@ -60,7 +58,7 @@ DeprecatedFlyString::DeprecatedFlyString(StringView string)
if (string.is_null())
return;
auto it = fly_impls().find(string.hash(), [&](auto& candidate) {
return string == candidate;
return string == *candidate;
});
if (it == fly_impls().end()) {
auto new_string = string.to_deprecated_string();