Question

if a==0 then return b else return c end

return a==0 and b or c

other than the latter being shorter, are there any significant differences between the two? by differences i mean things such as performance, outputs, etc...

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There's only a small catch:

b cannot evaluate to a false value (false and nil), in all other cases, the two are nearly equivalent (The second one accumulates a little bit more overhead as it must evaluate the or clause, but the order of magnitude of the execution time are equivalent).

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answered 2010-10-14 13:54:24.441001
	Lee 41

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