stringByAppendingString method
stringByAppendingString:
Implementation
NSString stringByAppendingString(NSString aString) {
final $ret = _objc_msgSend_1sotr3r(
object$.ref.pointer,
_sel_stringByAppendingString_,
aString.ref.pointer,
);
return NSString.fromPointer($ret, retain: true, release: true);
}