core :: Sys :: array1d_copy_to
private fun array1d_copy_to(fromarr: Array[Int], oarr: Array[Int]) do while oarr.length > fromarr.length do oarr.pop while oarr.length < fromarr.length do oarr.push 0 fromarr.copy_to(0, fromarr.length, oarr, 0) end