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submitted 11 months ago by jroid8@lemmy.world to c/programmerhumor@lemmy.ml
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[-] cerement@slrpnk.net 12 points 11 months ago* (last edited 11 months ago)

~~return a and a or b~~ → return a or b

correction from @murtaza64

[-] DmMacniel@feddit.de 5 points 11 months ago
[-] lm7@lemmy.ml 2 points 11 months ago
[-] kogasa@programming.dev 0 points 11 months ago

It's probably valid javascript that returns "-1" or the empty string depending on if "b" is undefined or null

[-] murtaza64@programming.dev 3 points 11 months ago* (last edited 11 months ago)

You don't need the and right? Can't it just be return a or b

This doesn't work if a is falsy non-null actually

[-] cerement@slrpnk.net 1 points 11 months ago

it’s just return a and b or c is the closest Lua has to a ternary operator, but yes, for the above you could shorten it to return a or b (“or returns the first argument if true, otherwise second argument is returned”)

this post was submitted on 08 Dec 2023
622 points (96.4% liked)

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