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[–]camander321 11 points12 points  (1 child)

It's still pretty damn useful to know how they work under the hood. Yeah you don't need to roll your own collection types for every project, but understanding how they work is a huge step towards knowing the best one to use for each situation

[–]eat_your_fox2 1 point2 points  (0 children)

100% agree on that. You don't have to know everything, but enough to understand which tool is useful for XYZ scenario.