[Python-ideas] PEP: Dict addition and subtraction

Rhodri James rhodri at kynesim.co.uk
Wed Mar 6 06:52:26 EST 2019


On 06/03/2019 10:29, Ka-Ping Yee wrote:
> len(dict1 + dict2) does not equal len(dict1) + len(dict2), so using the +
> operator is nonsense.

I'm sorry, but you're going to have to justify why this identity is 
important.  Making assumptions about length where any dictionary 
manipulations are concerned seems unwise to me, which makes a nonsense 
of your claim that this is nonsense :-)

-- 
Rhodri James *-* Kynesim Ltd


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