[khedoros1]

You sound like you've worked with significantly different code than I have. Your "never once" is my "almost always", and my "X reason" is often because I'm working with an immature, unreleased library developed by another team at my employer.

[throwaway9475]

What's more likely: that everyone needs to know intimate details about basic data structures or that the world is held together with duct tape and Perl and 95% of code is written by people not in Silicon Valley who need it to just work?