Interface and duck typing woes

[Steven D'Aprano]

On Thu, 29 Aug 2013 11:39:25 +1000, Chris Angelico wrote:

> The novice thinks his primary job is to stop the program from crashing.
> The expert knows that a crash is just another way for things to go
> wrong, and one of the easiest to deal with.

"I find it amusing when novice programmers believe their main job is 
preventing programs from crashing. ... More experienced programmers 
realize that correct code is great, code that crashes could use 
improvement, but incorrect code that doesn’t crash is a horrible 
nightmare."

http://cdsmith.wordpress.com/2011/01/09/an-old-article-i-wrote/

Anyone who hasn't already done so, you should read the whole article. 
It's about static versus dynamic typing, testing, proving correctness, 
and how they all fit in together.


-- 
Steven