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Peak code reuse (eviltoast.org)

submitted 3 weeks ago by orhtej2@eviltoast.org to c/programmer_humor@programming.dev

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[-] bobo@lemmy.ml 9 points 3 weeks ago* (last edited 3 weeks ago)

in a dynamic typed language with dumb string to int coercions, I kinda get why such a would library exists.

If string return nan, else % 2

So it's more a symptom of terrible language design than modern dependency hell.

Dependency chain: is-even depends on is-odd which depends on is-number

[-] Decq@lemmy.world 2 points 3 weeks ago* (last edited 3 weeks ago)

If string return nan, else % 2

So now you return a number type if it's a string and a boolean if it's an integer. How does that make sense?

The is-even lib exists to sanitize input by throwing an exception which imho is better.

Edit: having looked at the code better. Apparently it still allows string coercion (boo). It only checks for non integer numbers.

[-] bobo@lemmy.ml 1 points 3 weeks ago

Good point, but you can do if === true... and else if === false...

But definitely better to throw an error instead of nan.

this post was submitted on 12 Sep 2025

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