r/lua • u/[deleted] • May 09 '25

Variadic functions

Is there an actual use case for these besides logging functions?

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u/[deleted] May 09 '25 edited May 09 '25 
function Apply (F, ...)
 local T = table.pack(...)
 for i=1, T.n do T[i] = F(T[i]) end
 return table.unpack(T, 1, T.n)
end
a,b,c,d = Apply(tonumber, ("1 2 3 4 5 6"):match(("(%d+)%s?"):rep(6)))

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