K4stic Posted January 8, 2013 Posted January 8, 2013 says error: attempt to perform arithmetic on a nil value setElementData ( source, "cans", tonumber(getElementData(source, "cans") or 0) + cans, false )
Castillo Posted January 8, 2013 Posted January 8, 2013 local currentCans = tonumber ( getElementData ( source, "cans" ) ) or 0 setElementData ( source, "cans", currentCans + cans, false )
K4stic Posted January 8, 2013 Author Posted January 8, 2013 thx it's work i will say you if i find bug because i have fix with help of community and some my self that 5-6 time's and still bugget after 1 day
50p Posted January 8, 2013 Posted January 8, 2013 says error: attempt to perform arithmetic on a nil value setElementData ( source, "cans", tonumber(getElementData(source, "cans") or 0) + cans, false ) If you still want that in 1 line which I would unless you need to use current cans number more than once, you need to pay close attention to brackets: setElementData ( source, "cans", ( tonumber( getElementData(source, "cans" ) ) or 0 ) + cans, false )
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