<commit_before>package strain

type Ints []int
type Lists [][]int
type Strings []string

func (i Ints) Keep(filter func(int) bool) Ints {
	if i == nil {
		return nil
	}
	panic("Please implement the Keep function")<commit_msg>Implement Keep<commit_after>package strain

type Ints []int
type Lists [][]int
type Strings []string

func (i Ints) Keep(filter func(int) bool) Ints {
	if i == nil {
		return nil
	}
	result := []int{}
	for _, v := range i {
		if filter(v) {
			result = append(result, v)
		}
	}
	i = result
	return i
{'fraction_non_alphanumeric': 0.1297709923664122, 'fraction_numerical': 0.0, 'mean_word_length': 3.861111111111111, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5858109', 'n_tokens_mistral': 195, 'n_tokens_neox': 189, 'n_words': 66}