On 10/25/2014 6:22 PM, Dan Sommers wrote:
On Sat, 25 Oct 2014 23:41:52 +0200, Wolfgang Maier wrote:
... It may be rare to use an expression both for its side-effects and
its return value ...
A lot of concurrency-related operations work that way. In the old days,
it was CPU-level Test and Set (or Compare and Set) instructions. These
days, we have Python's threading.Lock.acquire.
list.pop and and related set and dict methods.
--
Terry Jan Reedy
--
https://mail.python.org/mailman/listinfo/python-list
