<commit_before><commit_msg>first commit<commit_after># go-httpstring
parse http header strings efficiently

### cache-control

```golang
cc = NewCacheControl([]byte("max-age=100; must-revalidate"))
if set, d := cc.GetDuration("max-age"); set {
	time.Sleep(d)
}

if cc.IsSet("must-revalidate") {
	...
}
// case-insensitive
if cc.IsSet("Must-Revalidate") {
	...
}

```

{'fraction_non_alphanumeric': 0.19346049046321526, 'fraction_numerical': 0.008174386920980926, 'mean_word_length': 4.661538461538462, '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': '153484', 'n_tokens_mistral': 141, 'n_tokens_neox': 133, 'n_words': 24}