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Yeah, I really wanted to avoid a discussion over functional vs. imperative programming, so I just... didn't talk about the imperative style at all, and just said so in the first section.

I think the imperative style isn't as readable (of course I would), but that's absolutely a discussion for another day, and I get why people prefer it.

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I think it’s important to point out what the imperative version would look like because I think the fundamental reason that the method chaining approach is more readable is because it more closely resembles imperative code. When reading it, you start with a vector and then you mutate it in various ways before returning it. I understand that’s not how it’s implemented under the hood, but I don’t think it really matters.

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