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How do you debug in a complex situation?

• keeganpoppen 3y ago
  a lot of coffee, wishing i had something even stronger xD. honestly, it is genuinely a situation where print debugging is your friend… i get every bit of code that yields in as close physical proximity as possible and trace it with my fingers like i’m a child counting on my fingers. because you really need to have an unassailable mental model in order for you to get it right at all most of the time (more so than “regular” programming). on the flip side, once you figure it out you never really need to touch it again, and you can usually “scale” the solution fairly easily as long as you don’t change the dynamics of the system (e.g. you can bring in N faux-coroutines in as long as only one pair is operating at once, but can’t as easily turn it from a two-person dance to a three person… i don’t know any three person dances lol).