Here is a list of all documented functions with links to the struct/union documentation for each field:

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Y

Z

_

~

- o -

• oldLength() : icu::Edits::Iterator
• Operand() : icu::message2::data_model::Operand
• Operator() : icu::message2::data_model::Operator
• operator char16_t *() : icu::Char16Ptr
• operator const char16_t *() : icu::ConstChar16Ptr
• operator std::string_view() : icu::StringPiece
• operator std::u16string_view() : icu::UnicodeString
• operator std::unique_ptr< T >() : icu::LocalPointer< T >
• operator std::unique_ptr< T[]>() : icu::LocalArray< T >
• operator std::wstring_view() : icu::UnicodeString
• operator UErrorCode &() : icu::ErrorCode
• operator UErrorCode *() : icu::ErrorCode
• operator!=() : icu::AnnualTimeZoneRule, icu::BreakIterator, icu::Calendar, icu::CollationElementIterator, icu::CollationKey, icu::Collator, icu::CurrencyPluralInfo, icu::DateFormatSymbols, icu::DateInterval, icu::DateIntervalFormat, icu::DateIntervalInfo, icu::DateTimePatternGenerator, icu::DateTimeRule, icu::DecimalFormatSymbols, icu::FieldPosition, icu::FieldPositionIterator, icu::Format, icu::Formattable, icu::ForwardCharacterIterator, icu::InitialTimeZoneRule, icu::Locale, icu::LocalPointerBase< T >, icu::Measure, icu::MeasureUnit, icu::MessagePattern, icu::MessagePattern::Part, icu::Normalizer, icu::ParsePosition, icu::PluralFormat, icu::PluralRules, icu::RegexPattern, icu::Region, icu::RuleBasedBreakIterator, icu::RuleBasedTimeZone, icu::SearchIterator, icu::SelectFormat, icu::StringEnumeration, icu::TimeArrayTimeZoneRule, icu::TimeUnitAmount, icu::TimeZone, icu::TimeZoneNames, icu::TimeZoneRule, icu::TimeZoneTransition, icu::UnicodeSet, icu::UnicodeString, icu::VTimeZone, U_HEADER_ONLY_NAMESPACE::CodePointRange::iterator, U_HEADER_ONLY_NAMESPACE::prv::CodePointsIterator< CP32, skipSurrogates >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::USetCodePointIterator, U_HEADER_ONLY_NAMESPACE::USetElementIterator, U_HEADER_ONLY_NAMESPACE::USetRangeIterator, U_HEADER_ONLY_NAMESPACE::USetStringIterator, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >
• operator()() : U_HEADER_ONLY_NAMESPACE::collator::internal::Predicate< Compare, result >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFStringCodePointsAdaptor< CP32 >, U_HEADER_ONLY_NAMESPACE::UTFStringCodePointsAdaptor< CP32, behavior >
• operator*() : icu::LocalPointerBase< T >, icu::message2::data_model::Pattern::Iterator, U_HEADER_ONLY_NAMESPACE::CodePointRange::iterator, U_HEADER_ONLY_NAMESPACE::prv::CodePointsIterator< CP32, skipSurrogates >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::USetCodePointIterator, U_HEADER_ONLY_NAMESPACE::USetElementIterator, U_HEADER_ONLY_NAMESPACE::USetRangeIterator, U_HEADER_ONLY_NAMESPACE::USetStringIterator, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >
• operator++() : icu::message2::data_model::Pattern::Iterator, U_HEADER_ONLY_NAMESPACE::CodePointRange::iterator, U_HEADER_ONLY_NAMESPACE::prv::CodePointsIterator< CP32, skipSurrogates >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::USetCodePointIterator, U_HEADER_ONLY_NAMESPACE::USetElementIterator, U_HEADER_ONLY_NAMESPACE::USetRangeIterator, U_HEADER_ONLY_NAMESPACE::USetStringIterator, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >
• operator+=() : icu::UnicodeString
• operator--() : U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >
• operator->() : icu::LocalPointerBase< T >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >
• operator<() : icu::message2::data_model::Key, icu::message2::data_model::Literal, icu::message2::data_model::SelectorKeys, icu::UnicodeString
• operator<=() : icu::UnicodeString
• operator=() : icu::AnnualTimeZoneRule, icu::BasicTimeZone, icu::BreakIterator, icu::Calendar, icu::CharacterIterator, icu::ChoiceFormat, icu::CollationKey, icu::CompactDecimalFormat, icu::CurrencyAmount, icu::CurrencyPluralInfo, icu::CurrencyUnit, icu::DateFormat, icu::DateFormatSymbols, icu::DateInterval, icu::DateIntervalFormat, icu::DateIntervalInfo, icu::DateTimeRule, icu::DecimalFormat, icu::DecimalFormatSymbols, icu::DisplayOptions, icu::Edits::Iterator, icu::Edits, icu::FieldPosition, icu::Format, icu::Formattable, icu::FormattedDateInterval, icu::FormattedList, icu::FormattedRelativeDateTime, icu::ForwardCharacterIterator, icu::GregorianCalendar, icu::InitialTimeZoneRule, icu::ListFormatter, icu::LocalArray< T >, icu::Locale, icu::LocaleMatcher::Builder, icu::LocaleMatcher, icu::LocaleMatcher::Result, icu::LocalPointer< T >, icu::Measure, icu::MeasureFormat, icu::MeasureUnit, icu::message2::data_model::Binding, icu::message2::data_model::Expression, icu::message2::data_model::Key, icu::message2::data_model::Literal, icu::message2::data_model::MFDataModel, icu::message2::data_model::Operand, icu::message2::data_model::Operator, icu::message2::data_model::Option, icu::message2::data_model::Pattern, icu::message2::data_model::PatternPart, icu::message2::data_model::SelectorKeys, icu::message2::data_model::Variant, icu::message2::Formattable, icu::message2::FormattedPlaceholder, icu::message2::FormattedValue, icu::message2::FormatterFactory, icu::message2::FunctionOptions, icu::message2::MessageArguments, icu::message2::MessageFormatter, icu::message2::MFFunctionRegistry, icu::message2::SelectorFactory, icu::MessageFormat, icu::MessagePattern, icu::number::FormattedNumber, icu::number::FormattedNumberRange, icu::number::impl::StringProp, icu::number::impl::SymbolsWrapper, icu::number::LocalizedNumberFormatter, icu::number::LocalizedNumberRangeFormatter, icu::number::Scale, icu::number::SimpleNumber, icu::number::SimpleNumberFormatter, icu::number::UnlocalizedNumberFormatter, icu::number::UnlocalizedNumberRangeFormatter, icu::NumberFormat, icu::NumberingSystem, icu::ParsePosition, icu::PluralFormat, icu::PluralRules, icu::RegexPattern, icu::RelativeDateTimeFormatter, icu::ResourceBundle, icu::RuleBasedBreakIterator, icu::RuleBasedCollator, icu::RuleBasedNumberFormat, icu::RuleBasedTimeZone, icu::SearchIterator, icu::SelectFormat, icu::SimpleDateFormat, icu::SimpleFormatter, icu::SimpleTimeZone, icu::StringCharacterIterator, icu::StringSearch, icu::TimeArrayTimeZoneRule, icu::TimeUnit, icu::TimeUnitAmount, icu::TimeUnitFormat, icu::TimeZone, icu::TimeZoneFormat, icu::TimeZoneRule, icu::TimeZoneTransition, icu::Transliterator, icu::UCharCharacterIterator, icu::UnicodeSet, icu::UnicodeString, icu::VTimeZone, U_HEADER_ONLY_NAMESPACE::CodeUnits< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::UnsafeCodeUnits< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFStringCodePoints< CP32, Range >, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >, U_HEADER_ONLY_NAMESPACE::UTFStringCodePoints< CP32, behavior, Range >
• operator==() : icu::AnnualTimeZoneRule, icu::BreakIterator, icu::Calendar, icu::ChoiceFormat, icu::CollationElementIterator, icu::CollationKey, icu::Collator, icu::CurrencyPluralInfo, icu::DateFormat, icu::DateFormatSymbols, icu::DateInterval, icu::DateIntervalFormat, icu::DateIntervalInfo, icu::DateTimePatternGenerator, icu::DateTimeRule, icu::DecimalFormat, icu::DecimalFormatSymbols, icu::FieldPosition, icu::FieldPositionIterator, icu::Format, icu::Formattable, icu::ForwardCharacterIterator, icu::InitialTimeZoneRule, icu::Locale, icu::LocalPointerBase< T >, icu::Measure, icu::MeasureFormat, icu::MeasureUnit, icu::message2::data_model::Key, icu::message2::data_model::Literal, icu::MessageFormat, icu::MessagePattern, icu::MessagePattern::Part, icu::Normalizer, icu::NumberFormat, icu::ParsePosition, icu::PluralFormat, icu::PluralRules, icu::RegexPattern, icu::Region, icu::RuleBasedBreakIterator, icu::RuleBasedCollator, icu::RuleBasedNumberFormat, icu::RuleBasedTimeZone, icu::SearchIterator, icu::SelectFormat, icu::SimpleDateFormat, icu::SimpleTimeZone, icu::StringCharacterIterator, icu::StringEnumeration, icu::StringSearch, icu::TimeArrayTimeZoneRule, icu::TimeUnitAmount, icu::TimeZone, icu::TimeZoneFormat, icu::TimeZoneNames, icu::TimeZoneRule, icu::TimeZoneTransition, icu::UCharCharacterIterator, icu::UnicodeSet, icu::UnicodeString, icu::VTimeZone, U_HEADER_ONLY_NAMESPACE::CodePointRange::iterator, U_HEADER_ONLY_NAMESPACE::prv::CodePointsIterator< CP32, skipSurrogates >, U_HEADER_ONLY_NAMESPACE::UnsafeUTFIterator< CP32, UnitIter, typename >, U_HEADER_ONLY_NAMESPACE::USetCodePointIterator, U_HEADER_ONLY_NAMESPACE::USetElementIterator, U_HEADER_ONLY_NAMESPACE::USetRangeIterator, U_HEADER_ONLY_NAMESPACE::USetStringIterator, U_HEADER_ONLY_NAMESPACE::UTFIterator< CP32, behavior, UnitIter, LimitIter, typename >
• operator>() : icu::UnicodeString
• operator>=() : icu::UnicodeString
• operator[]() : icu::Formattable, icu::LocalArray< T >, icu::UnicodeString
• Option() : icu::message2::data_model::Option
• options() : icu::message2::FormattedPlaceholder
• orphan() : icu::LocalPointerBase< T >
• orphanFilter() : icu::Transliterator
• orphanTimeZone() : icu::Calendar
• output() : icu::message2::FormattedPlaceholder
• Overflowed() : icu::CheckedArrayByteSink