On Wed, 11 Feb 2015 18:45:40 +1300 Greg Ewing <greg.ew...@canterbury.ac.nz> wrote: > Antoine Pitrou wrote: > >>>>bytearray(b"a") + b"bc" > > > > bytearray(b'abc') > > > >>>>b"a" + bytearray(b"bc") > > > > b'abc' > > > > It's quite convenient. > > It's a bit disconcerting that the left operand wins, > rather than one of them being designated as the > "wider" type, as occurs with many other operations on > mixed types, e.g. int + float.
There is no "wider" type here. This behaviour is perfectly logical. > In any case, these seem to be special-case combinations. No: >>> b"abc" + array.array("b", b"def") b'abcdef' >>> bytearray(b"abc") + array.array("b", b"def") bytearray(b'abcdef') Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com