Lua defining a function with optional parameters (SOLVED)

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As far as I know, there is no syntax for it, but there might very well be conventions (maybe the ones you are using?) in either naming or luadoc or similar to denote this (@britzl?). To check for optionals, I think ‘or’ is commonly used:

function(--[[required]]var1, --[[optional]]var2,  --[[optional]]var3)
    var2 = var2 or 6 --default value
    var3 = var3 or 0 --default value
    --Do something with the inputs
end
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