},
	{
		[]int{1, 2, 3},
		func(i int) bool { return i < 2 },
		[]int{2, 3},
	},
	{
		[]int{10, 2, 30},
		func(i int) bool { return i >= 10 },
		[]int{2},
	},
}

func TestDeleteFunc(t *testing.T) {
	for i, test := range deleteFuncTests {
		copy := Clone(test.s)
		if got := DeleteFunc(copy, test.fn); !Equal(got, test.want) {
			t.Errorf("DeleteFunc case %d: got %v, want %v", i, got, test.want)