Re: array index and modulo

[Rici Lake <lua@...>]

Wesley Smith wrote:
> what is a good solution for this function:
>
> function nextData()
>     currentData = (currentData+1) % (#data)   --gives [0, #data-1]
>     return data[currentData]
> end

function nextData()
  currentData = currentData % #data + 1
  return data[currentData]
ebd

-- (start currentData at either 0 or #data)