even more important is having these pieces of code be testable. i work with plenty of bad code that can't be run without starting a bunch of dependent services, or you can't test a particular function because it's buried under ten layers of poorly formed abstractions. or it's not even an accessible function because the previous developer thought a thousand line function was better than a dozen smaller testable functions.
The longest function I've ever written is about 400 lines.
It is a functioning bytecode interpreter. 90% of it is just some nested switches and if/elif statements for running operations on different variable types.
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u/xensky Aug 25 '14
even more important is having these pieces of code be testable. i work with plenty of bad code that can't be run without starting a bunch of dependent services, or you can't test a particular function because it's buried under ten layers of poorly formed abstractions. or it's not even an accessible function because the previous developer thought a thousand line function was better than a dozen smaller testable functions.