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why not a,b or x,y? (lemm.ee)

submitted 1 year ago by mastermind@lemm.ee to c/programmerhumor@lemmy.ml

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[–] dark_stang@beehaw.org 29 points 1 year ago (2 children)

x is used for map, filter, etc. a and b are used for sorts, comparisons and merges. y might be used if I'm doing multiple lambda expressions (but that means I'm in a bad place already). I have no idea why, but these are firm rules in my brain.

[–] DogMuffins@discuss.tchncs.de 12 points 1 year ago (1 children)

I've gotten used to using the singular form as in...

records.filter((record) => ...)

Not saying this way is better but it works for me.

[–] karbonkel@beehaw.org 2 points 1 year ago

I do this too. I hate using just x, because it's so non-descriptive.

[–] russmatney@programming.dev 1 points 1 year ago

Yes! I love using x (and xs) for functions over whatever the thing is (or things are).