if n >= 1000 && loaded >= 0 {
totalLinesNum := int(float64(size) * (float64(n) / float64(loaded)))
newSlice := make([]Line, len(la.lines), totalLinesNum+10000)
if n >= 1000 && loaded >= 0 {
totalLinesNum := int(float64(size) * (float64(n) / float64(loaded)))
newSlice := make([]Line, len(la.lines), totalLinesNum+10000)