feat(string): add TChar::IsASCII to determine if it is an ASCII character
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@ -33,208 +33,65 @@ void TestChar()
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always_check(CCharType<u32char>);
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always_check(CCharType<unicodechar>);
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}
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auto Test = []<typename T>(TInPlaceType<T>)
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{
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always_check(FChar::IsAlnum(TEXT('0')));
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always_check(FChar::IsAlpha(TEXT('A')));
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always_check(FChar::IsLower(TEXT('a')));
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always_check(FChar::IsUpper(TEXT('A')));
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always_check(FChar::IsDigit(TEXT('0')));
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always_check(FChar::IsCntrl(TEXT('\n')));
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always_check(FChar::IsGraph(TEXT('!')));
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always_check(FChar::IsSpace(TEXT('\t')));
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always_check(FChar::IsBlank(TEXT(' ')));
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always_check(FChar::IsPrint(TEXT('#')));
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always_check(FChar::IsPunct(TEXT('[')));
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}
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always_check(TChar<T>::IsASCII(LITERAL(T, '0')));
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always_check(TChar<T>::IsASCII(LITERAL(T, 'A')));
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always_check(TChar<T>::IsASCII(LITERAL(T, 'a')));
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always_check(TChar<T>::IsASCII(LITERAL(T, 'A')));
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always_check(TChar<T>::IsASCII(LITERAL(T, '0')));
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always_check(TChar<T>::IsASCII(LITERAL(T, '\n')));
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always_check(TChar<T>::IsASCII(LITERAL(T, '!')));
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always_check(TChar<T>::IsASCII(LITERAL(T, '\t')));
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always_check(TChar<T>::IsASCII(LITERAL(T, ' ')));
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always_check(TChar<T>::IsASCII(LITERAL(T, '#')));
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always_check(TChar<T>::IsASCII(LITERAL(T, '[')));
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{
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always_check(FWChar::IsAlnum(WTEXT('0')));
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always_check(FWChar::IsAlpha(WTEXT('A')));
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always_check(FWChar::IsLower(WTEXT('a')));
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always_check(FWChar::IsUpper(WTEXT('A')));
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always_check(FWChar::IsDigit(WTEXT('0')));
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always_check(FWChar::IsCntrl(WTEXT('\n')));
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always_check(FWChar::IsGraph(WTEXT('!')));
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always_check(FWChar::IsSpace(WTEXT('\t')));
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always_check(FWChar::IsBlank(WTEXT(' ')));
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always_check(FWChar::IsPrint(WTEXT('#')));
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always_check(FWChar::IsPunct(WTEXT('[')));
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}
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always_check(TChar<T>::IsAlnum(LITERAL(T, '0')));
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always_check(TChar<T>::IsAlpha(LITERAL(T, 'A')));
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always_check(TChar<T>::IsLower(LITERAL(T, 'a')));
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always_check(TChar<T>::IsUpper(LITERAL(T, 'A')));
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always_check(TChar<T>::IsDigit(LITERAL(T, '0')));
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always_check(TChar<T>::IsCntrl(LITERAL(T, '\n')));
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always_check(TChar<T>::IsGraph(LITERAL(T, '!')));
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always_check(TChar<T>::IsSpace(LITERAL(T, '\t')));
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always_check(TChar<T>::IsBlank(LITERAL(T, ' ')));
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always_check(TChar<T>::IsPrint(LITERAL(T, '#')));
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always_check(TChar<T>::IsPunct(LITERAL(T, '[')));
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{
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always_check(FU8Char::IsAlnum(U8TEXT('0')));
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always_check(FU8Char::IsAlpha(U8TEXT('A')));
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always_check(FU8Char::IsLower(U8TEXT('a')));
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always_check(FU8Char::IsUpper(U8TEXT('A')));
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always_check(FU8Char::IsDigit(U8TEXT('0')));
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always_check(FU8Char::IsCntrl(U8TEXT('\n')));
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always_check(FU8Char::IsGraph(U8TEXT('!')));
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always_check(FU8Char::IsSpace(U8TEXT('\t')));
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always_check(FU8Char::IsBlank(U8TEXT(' ')));
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always_check(FU8Char::IsPrint(U8TEXT('#')));
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always_check(FU8Char::IsPunct(U8TEXT('[')));
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}
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always_check(!TChar<T>::IsAlnum(LITERAL(T, '$')));
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always_check(!TChar<T>::IsAlpha(LITERAL(T, '0')));
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always_check(!TChar<T>::IsLower(LITERAL(T, 'A')));
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always_check(!TChar<T>::IsUpper(LITERAL(T, 'a')));
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always_check(!TChar<T>::IsDigit(LITERAL(T, 'I')));
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always_check(!TChar<T>::IsCntrl(LITERAL(T, '_')));
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always_check(!TChar<T>::IsGraph(LITERAL(T, ' ')));
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always_check(!TChar<T>::IsSpace(LITERAL(T, '=')));
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always_check(!TChar<T>::IsBlank(LITERAL(T, '+')));
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always_check(!TChar<T>::IsPrint(LITERAL(T, '\n')));
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always_check(!TChar<T>::IsPunct(LITERAL(T, 'H')));
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{
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always_check(FU16Char::IsAlnum(U16TEXT('0')));
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always_check(FU16Char::IsAlpha(U16TEXT('A')));
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always_check(FU16Char::IsLower(U16TEXT('a')));
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always_check(FU16Char::IsUpper(U16TEXT('A')));
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always_check(FU16Char::IsDigit(U16TEXT('0')));
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always_check(FU16Char::IsCntrl(U16TEXT('\n')));
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always_check(FU16Char::IsGraph(U16TEXT('!')));
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always_check(FU16Char::IsSpace(U16TEXT('\t')));
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always_check(FU16Char::IsBlank(U16TEXT(' ')));
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always_check(FU16Char::IsPrint(U16TEXT('#')));
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always_check(FU16Char::IsPunct(U16TEXT('[')));
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}
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always_check( TChar<T>::IsDigit(LITERAL(T, 'F'), 16));
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always_check(!TChar<T>::IsDigit(LITERAL(T, 'G'), 16));
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{
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always_check(FU32Char::IsAlnum(U32TEXT('0')));
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always_check(FU32Char::IsAlpha(U32TEXT('A')));
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always_check(FU32Char::IsLower(U32TEXT('a')));
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always_check(FU32Char::IsUpper(U32TEXT('A')));
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always_check(FU32Char::IsDigit(U32TEXT('0')));
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always_check(FU32Char::IsCntrl(U32TEXT('\n')));
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always_check(FU32Char::IsGraph(U32TEXT('!')));
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always_check(FU32Char::IsSpace(U32TEXT('\t')));
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always_check(FU32Char::IsBlank(U32TEXT(' ')));
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always_check(FU32Char::IsPrint(U32TEXT('#')));
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always_check(FU32Char::IsPunct(U32TEXT('[')));
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}
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always_check(TChar<T>::ToLower(LITERAL(T, 'i')) == LITERAL(T, 'i'));
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always_check(TChar<T>::ToUpper(LITERAL(T, 'l')) == LITERAL(T, 'L'));
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{
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always_check(!FChar::IsAlnum(TEXT('$')));
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always_check(!FChar::IsAlpha(TEXT('0')));
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always_check(!FChar::IsLower(TEXT('A')));
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always_check(!FChar::IsUpper(TEXT('a')));
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always_check(!FChar::IsDigit(TEXT('I')));
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always_check(!FChar::IsCntrl(TEXT('_')));
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always_check(!FChar::IsGraph(TEXT(' ')));
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always_check(!FChar::IsSpace(TEXT('=')));
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always_check(!FChar::IsBlank(TEXT('+')));
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always_check(!FChar::IsPrint(TEXT('\n')));
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always_check(!FChar::IsPunct(TEXT('H')));
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}
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always_check(0x0 == TChar<T>::ToDigit(LITERAL(T, '0')));
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always_check(0xF == TChar<T>::ToDigit(LITERAL(T, 'f')));
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always_check(0xF == TChar<T>::ToDigit(LITERAL(T, 'F')));
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{
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always_check(!FWChar::IsAlnum(WTEXT('$')));
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always_check(!FWChar::IsAlpha(WTEXT('0')));
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always_check(!FWChar::IsLower(WTEXT('A')));
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always_check(!FWChar::IsUpper(WTEXT('a')));
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always_check(!FWChar::IsDigit(WTEXT('I')));
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always_check(!FWChar::IsCntrl(WTEXT('_')));
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always_check(!FWChar::IsGraph(WTEXT(' ')));
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always_check(!FWChar::IsSpace(WTEXT('=')));
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always_check(!FWChar::IsBlank(WTEXT('+')));
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always_check(!FWChar::IsPrint(WTEXT('\n')));
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always_check(!FWChar::IsPunct(WTEXT('H')));
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}
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always_check(LITERAL(T, '0') == TChar<T>::FromDigit(0x0));
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always_check(LITERAL(T, 'f') != TChar<T>::FromDigit(0xF));
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always_check(LITERAL(T, 'F') == TChar<T>::FromDigit(0xF));
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};
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{
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always_check(!FU8Char::IsAlnum(U8TEXT('$')));
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always_check(!FU8Char::IsAlpha(U8TEXT('0')));
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always_check(!FU8Char::IsLower(U8TEXT('A')));
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always_check(!FU8Char::IsUpper(U8TEXT('a')));
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always_check(!FU8Char::IsDigit(U8TEXT('I')));
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always_check(!FU8Char::IsCntrl(U8TEXT('_')));
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always_check(!FU8Char::IsGraph(U8TEXT(' ')));
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always_check(!FU8Char::IsSpace(U8TEXT('=')));
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always_check(!FU8Char::IsBlank(U8TEXT('+')));
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always_check(!FU8Char::IsPrint(U8TEXT('\n')));
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always_check(!FU8Char::IsPunct(U8TEXT('H')));
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}
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{
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always_check(!FU16Char::IsAlnum(U16TEXT('$')));
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always_check(!FU16Char::IsAlpha(U16TEXT('0')));
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always_check(!FU16Char::IsLower(U16TEXT('A')));
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always_check(!FU16Char::IsUpper(U16TEXT('a')));
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always_check(!FU16Char::IsDigit(U16TEXT('I')));
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always_check(!FU16Char::IsCntrl(U16TEXT('_')));
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always_check(!FU16Char::IsGraph(U16TEXT(' ')));
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always_check(!FU16Char::IsSpace(U16TEXT('=')));
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always_check(!FU16Char::IsBlank(U16TEXT('+')));
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always_check(!FU16Char::IsPrint(U16TEXT('\n')));
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always_check(!FU16Char::IsPunct(U16TEXT('H')));
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}
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{
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always_check(!FU32Char::IsAlnum(U32TEXT('$')));
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always_check(!FU32Char::IsAlpha(U32TEXT('0')));
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always_check(!FU32Char::IsLower(U32TEXT('A')));
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always_check(!FU32Char::IsUpper(U32TEXT('a')));
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always_check(!FU32Char::IsDigit(U32TEXT('I')));
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always_check(!FU32Char::IsCntrl(U32TEXT('_')));
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always_check(!FU32Char::IsGraph(U32TEXT(' ')));
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always_check(!FU32Char::IsSpace(U32TEXT('=')));
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always_check(!FU32Char::IsBlank(U32TEXT('+')));
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always_check(!FU32Char::IsPrint(U32TEXT('\n')));
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always_check(!FU32Char::IsPunct(U32TEXT('H')));
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}
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{
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always_check( FChar::IsDigit(TEXT('F'), 16));
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always_check(!FChar::IsDigit(TEXT('G'), 16));
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always_check( FWChar::IsDigit(WTEXT('F'), 16));
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always_check(!FWChar::IsDigit(WTEXT('G'), 16));
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always_check( FU8Char::IsDigit(U8TEXT('F'), 16));
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always_check(!FU8Char::IsDigit(U8TEXT('G'), 16));
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always_check( FU16Char::IsDigit(U16TEXT('F'), 16));
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always_check(!FU16Char::IsDigit(U16TEXT('G'), 16));
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always_check( FU32Char::IsDigit(U32TEXT('F'), 16));
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always_check(!FU32Char::IsDigit(U32TEXT('G'), 16));
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}
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{
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always_check(FChar::ToLower(TEXT('i')) == TEXT('i'));
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always_check(FChar::ToUpper(TEXT('l')) == TEXT('L'));
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always_check(FWChar::ToUpper(WTEXT('l')) == WTEXT('L'));
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always_check(FWChar::ToLower(WTEXT('i')) == WTEXT('i'));
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always_check(FU8Char::ToLower(U8TEXT('i')) == U8TEXT('i'));
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always_check(FU8Char::ToUpper(U8TEXT('l')) == U8TEXT('L'));
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always_check(FU16Char::ToLower(U16TEXT('i')) == U16TEXT('i'));
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always_check(FU16Char::ToUpper(U16TEXT('l')) == U16TEXT('L'));
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always_check(FU32Char::ToLower(U32TEXT('i')) == U32TEXT('i'));
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always_check(FU32Char::ToUpper(U32TEXT('l')) == U32TEXT('L'));
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}
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{
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always_check(0x0 == FChar::ToDigit(TEXT('0')));
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always_check(0xF == FChar::ToDigit(TEXT('f')));
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always_check(0xF == FChar::ToDigit(TEXT('F')));
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always_check(0x0 == FWChar::ToDigit(WTEXT('0')));
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always_check(0xF == FWChar::ToDigit(WTEXT('f')));
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always_check(0xF == FWChar::ToDigit(WTEXT('F')));
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always_check(0x0 == FU8Char::ToDigit(U8TEXT('0')));
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always_check(0xF == FU8Char::ToDigit(U8TEXT('f')));
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always_check(0xF == FU8Char::ToDigit(U8TEXT('F')));
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always_check(0x0 == FU16Char::ToDigit(U16TEXT('0')));
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always_check(0xF == FU16Char::ToDigit(U16TEXT('f')));
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always_check(0xF == FU16Char::ToDigit(U16TEXT('F')));
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always_check(0x0 == FU16Char::ToDigit(U16TEXT('0')));
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always_check(0xF == FU16Char::ToDigit(U16TEXT('f')));
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always_check(0xF == FU16Char::ToDigit(U16TEXT('F')));
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}
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{
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always_check(TEXT('0') == FChar::FromDigit(0x0));
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always_check(TEXT('f') != FChar::FromDigit(0xF));
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always_check(TEXT('F') == FChar::FromDigit(0xF));
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always_check(WTEXT('0') == FWChar::FromDigit(0x0));
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always_check(WTEXT('f') != FWChar::FromDigit(0xF));
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always_check(WTEXT('F') == FWChar::FromDigit(0xF));
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always_check(U8TEXT('0') == FU8Char::FromDigit(0x0));
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always_check(U8TEXT('f') != FU8Char::FromDigit(0xF));
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always_check(U8TEXT('F') == FU8Char::FromDigit(0xF));
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always_check(U16TEXT('0') == FU16Char::FromDigit(0x0));
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always_check(U16TEXT('f') != FU16Char::FromDigit(0xF));
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always_check(U16TEXT('F') == FU16Char::FromDigit(0xF));
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always_check(U16TEXT('0') == FU16Char::FromDigit(0x0));
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always_check(U16TEXT('f') != FU16Char::FromDigit(0xF));
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always_check(U16TEXT('F') == FU16Char::FromDigit(0xF));
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}
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Test(InPlaceType<char>);
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Test(InPlaceType<wchar>);
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Test(InPlaceType<u8char>);
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Test(InPlaceType<u16char>);
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Test(InPlaceType<u32char>);
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Test(InPlaceType<unicodechar>);
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}
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void TestStringView()
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@ -156,6 +156,70 @@ struct TChar
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return false;
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}
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NODISCARD FORCEINLINE static constexpr bool IsASCII(CharType InChar)
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{
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if constexpr (CSameAs<CharType, char>)
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{
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constexpr bool ASCIICompatible = []() -> bool
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{
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constexpr char ASCIITable[] =
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TEXT("\u0000\u0001\u0002\u0003\u0004\u0005\u0006")
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TEXT("\a\b\t\n\v\f\r")
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TEXT("\u000E\u000F")
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TEXT("\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017")
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TEXT("\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F")
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TEXT(" !\"#$%&'()*+,-./0123456789:;<=>?")
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TEXT("@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_")
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TEXT("`abcdefghijklmnopqrstuvwxyz{|}~\u007F");
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for (size_t Index = 0; Index <= 0x7F; ++Index)
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{
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if (ASCIITable[Index] != static_cast<char>(Index)) return false;
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}
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return true;
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}
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();
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return ASCIICompatible && InChar <= 0x7F;
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}
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else if constexpr (CSameAs<CharType, wchar>)
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{
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constexpr bool ASCIICompatible = []() -> bool
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{
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constexpr wchar ASCIITable[] =
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WTEXT("\u0000\u0001\u0002\u0003\u0004\u0005\u0006")
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WTEXT("\a\b\t\n\v\f\r")
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WTEXT("\u000E\u000F")
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WTEXT("\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017")
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WTEXT("\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F")
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WTEXT(" !\"#$%&'()*+,-./0123456789:;<=>?")
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WTEXT("@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_")
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WTEXT("`abcdefghijklmnopqrstuvwxyz{|}~\u007F");
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for (size_t Index = 0; Index <= 0x7F; ++Index)
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{
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if (ASCIITable[Index] != static_cast<wchar>(Index)) return false;
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}
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return true;
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}
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();
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return ASCIICompatible && InChar <= 0x7F;
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}
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else if constexpr (CSameAs<CharType, u8char> || CSameAs<CharType, u16char> || CSameAs<CharType, u32char> || CSameAs<CharType, unicodechar>)
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{
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return InChar <= 0x7F;
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}
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else static_assert(sizeof(CharType) == -1, "Unsupported character type");
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return false;
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}
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NODISCARD FORCEINLINE static constexpr bool IsAlnum(CharType InChar)
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{
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if constexpr (CSameAs<CharType, char> || CSameAs<CharType, wchar>)
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