2018   UnicodeString& setTo(char16_t srcChar);
2028   UnicodeString& setTo(UChar32 srcChar);
2224   inline UnicodeString& append(char16_t srcChar);
2232   UnicodeString& append(UChar32 srcChar);
2306             char16_t srcChar);
2317             UChar32 srcChar);
2414              char16_t srcChar);
2427   UnicodeString& replace(int32_t start, int32_t length, UChar32 srcChar);
4442                char16_t srcChar)  in replace()  argument
4443 { return doReplace(start, _length, &srcChar, 0, 1); }  in replace()
4627 UnicodeString::setTo(char16_t srcChar)  in setTo()  argument
4630   return doReplace(0, length(), &srcChar, 0, 1);  in setTo()
4634 UnicodeString::setTo(UChar32 srcChar)  in setTo()  argument
4637   return replace(0, length(), srcChar);  in setTo()
4662 UnicodeString::append(char16_t srcChar)  in append()  argument
4663 { return doAppend(&srcChar, 0, 1); }  in append()
4705               char16_t srcChar)  in insert()  argument
4706 { return doReplace(start, 0, &srcChar, 0, 1); }  in insert()
4710               UChar32 srcChar)  in insert()  argument
4711 { return replace(start, 0, srcChar); }  in insert()