initWithContentsOfFile_ method
Implementation
@override
NSMutableData? initWithContentsOfFile_(NSString path) {
final _ret = _lib._objc_msgSend_38(
_id, _lib._sel_initWithContentsOfFile_1, path._id);
return _ret.address == 0
? null
: NSMutableData._(_ret, _lib, retain: true, release: true);
}