1921   UnicodeString& setTo(UChar srcChar);
1931   UnicodeString& setTo(UChar32 srcChar);
2127   inline UnicodeString& append(UChar srcChar);
2135   UnicodeString& append(UChar32 srcChar);
2209             UChar srcChar);
2220             UChar32 srcChar);
2317              UChar srcChar);
2330   UnicodeString& replace(int32_t start, int32_t length, UChar32 srcChar);
4186                UChar srcChar)  in replace()  argument
4187 { return doReplace(start, _length, &srcChar, 0, 1); }  in replace()
4371 UnicodeString::setTo(UChar srcChar)  in setTo()  argument
4374   return doReplace(0, length(), &srcChar, 0, 1);  in setTo()
4378 UnicodeString::setTo(UChar32 srcChar)  in setTo()  argument
4381   return replace(0, length(), srcChar);  in setTo()
4406 UnicodeString::append(UChar srcChar)  in append()  argument
4407 { return doReplace(length(), 0, &srcChar, 0, 1); }  in append()
4449               UChar srcChar)  in insert()  argument
4450 { return doReplace(start, 0, &srcChar, 0, 1); }  in insert()
4454               UChar32 srcChar)  in insert()  argument
4455 { return replace(start, 0, srcChar); }  in insert()