PEP 572 -- Assignment Expressions
Ivo Shipkaliev
ivo.shipkaliev at gmail.com
Tue Nov 27 05:48:20 EST 2018
Hello.
Maybe it's too late for a discussion, but I just couldn't resist.
I just found out about this new ":=" operator. I need to ask:
What is the need for this additional ":" to the "="?
Why:
if (match := pattern.search(data)) is not None:
# Do something with match
What is wrong with:
if match = pattern.search(data) is not None:
# Do something with match
Assignment expression or assignment statement, it's an assignment,
right? It is very clear to everyone that it's an assignment! Can't it all
just be a "="?
Thank you very much!
Kind Regards
Ivo Shipkaliev
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