this post was submitted on 20 Aug 2023
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[–] [email protected] 56 points 1 year ago (16 children)

Code documentation is like sex, when it's good it's great, and when it's not good...it's still better then no documentation.

[–] [email protected] 19 points 1 year ago (5 children)

I disagree. When comments are essentially just a rephrasing of the class/method name or arguments it is not helpful and anything that is not helpful is cluttering up the code and making it harder to quickly see what the code is doing. I'd rather have no comments than comments like that.

[–] [email protected] 12 points 1 year ago* (last edited 1 year ago) (3 children)

I reserve comments for explaining why a section of code is needed or explaining how a complex algorithm works.

i = 0; // Set i to 0 is pointless.

if (last_output_vertex[i] == bounds[i]->length - 1) contibuting_bounds[i] = NULL; // stop outputting a bound if the entire bound has been output is helpful.

[–] philm 1 points 1 year ago

I think even the second comment is not that helpful.

Just use (boolean) variables that phrase what your comment would explain, often more concise and better to read IMO. Also if the logic is more complex compose multiple named (boolean) variables. I think comments seldom make any sense at all (function doc is a one of the rare cases, mostly for the user of the library in the IDE).

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