How to best clear a slice: empty vs. nilRemove all elements Keep allocated memory Empty slice vs. nil slice Remove all elements To remove all elements, simply set the slice to nil. a := []string{"A", "B", "C", "D", "E"} a = nil fmt.Println(a, len(a), cap(a)) // [] 0 0 This will release the underlying array to the garbage collector (assuming there are no other references). Keep allocated memory To keep the underlying array, slice the sli
