On 01/03/2014 21:40, Mark H. Harris wrote:
On Saturday, March 1, 2014 12:24:15 AM UTC-6, Chris Angelico wrote:
much code. If you want to change anything, you potentially have to
edit three places: the list of constants at the top, the condition
function, and the switch.
This can't be your idea of readability. Show me where I'm wrong.
ChrisA
hi Chris, I don't think you're wrong. There are two issues for me (and one of
them is not how the switch is implemented).
1) Is it easier for average users of python as a language to read switch case
default, or if elif else ?
2) Would most average users concur that 'readable' means something like, "readily
understandable at quick glance, or rapid preview" (or quiv).
I readily admit that 'subjective' is the operative work here. As Guido found at
his 2007 keynote most experienced devs are not clamoring for a switch block.
Just so. But I'm not thinking of experienced devs. I'm thinking of the average
coder who is used to looking at switch blocks.
I personally can see and understand a switch block 2x to 3x faster than looking
at an elif chain. Because I am primarily a C programmer and I personally use
and read switch blocks.
An experienced python dev can readily 'see' an elif chain, well, because that's
all they have and that's all they look at day to day. So, naturally a python
dev is going to think an elif chain is readable.
Thank you sir, you have good insights. A quote from the high seas is classy.
(another post with no elipses)
Cheers
No elipses, just the paragraphs not wrapped and the double line spacing.
Good old gg, I just love it.
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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