Programmer Humor

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know the features of your language (lemmy.world)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 11 months ago* (last edited 11 months ago) (2 children)

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

correction from @murtaza64

[–] [email protected] 5 points 11 months ago (1 children)

Lua. My beloved.

[–] [email protected] 2 points 11 months ago (1 children)

That's valid Python as well

[–] [email protected] 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

[–] [email protected] 3 points 11 months ago* (last edited 11 months ago) (1 children)

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

[–] [email protected] 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”)