It's subjective and variable depending on the circumstances:
Skill and experience of the author (I tend to gloss over PRs by people that do consistently good work)
Difficulty/importance of changes
ROI for additional time spent
etc.
There's an implicit assumption that you can't spend "forever" on a piece of code; at some point it's got to be "good enough" so you can move on. It's also subject to diminishing returns.
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It's subjective and variable depending on the circumstances:
There's an implicit assumption that you can't spend "forever" on a piece of code; at some point it's got to be "good enough" so you can move on. It's also subject to diminishing returns.