14 pub(crate) fn find(haystack: &[u8], byteset: &[u8]) -> Option<usize> {  in find()
17         1 => memchr(byteset[0], haystack),  in find()
18         2 => memchr2(byteset[0], byteset[1], haystack),  in find()
19         3 => memchr3(byteset[0], byteset[1], byteset[2], haystack),  in find()
22             scalar::forward_search_bytes(haystack, |b| table[b as usize] != 0)  in find()
28 pub(crate) fn rfind(haystack: &[u8], byteset: &[u8]) -> Option<usize> {  in rfind()
31         1 => memrchr(byteset[0], haystack),  in rfind()
32         2 => memrchr2(byteset[0], byteset[1], haystack),  in rfind()
33         3 => memrchr3(byteset[0], byteset[1], byteset[2], haystack),  in rfind()
36             scalar::reverse_search_bytes(haystack, |b| table[b as usize] != 0)  in rfind()
42 pub(crate) fn find_not(haystack: &[u8], byteset: &[u8]) -> Option<usize> {  in find_not()
43     if haystack.is_empty() {  in find_not()
48         1 => scalar::inv_memchr(byteset[0], haystack),  in find_not()
49         2 => scalar::forward_search_bytes(haystack, |b| {  in find_not()
52         3 => scalar::forward_search_bytes(haystack, |b| {  in find_not()
57             scalar::forward_search_bytes(haystack, |b| table[b as usize] == 0)  in find_not()
62 pub(crate) fn rfind_not(haystack: &[u8], byteset: &[u8]) -> Option<usize> {  in rfind_not()
63     if haystack.is_empty() {  in rfind_not()
67         0 => return Some(haystack.len() - 1),  in rfind_not()
68         1 => scalar::inv_memrchr(byteset[0], haystack),  in rfind_not()
69         2 => scalar::reverse_search_bytes(haystack, |b| {  in rfind_not()
72         3 => scalar::reverse_search_bytes(haystack, |b| {  in rfind_not()
77             scalar::reverse_search_bytes(haystack, |b| table[b as usize] == 0)  in rfind_not()
86             haystack: Vec<u8>,
89             super::find(&haystack, &needles)
90                 == haystack.iter().position(|b| needles.contains(b))
93             haystack: Vec<u8>,
96             super::rfind(&haystack, &needles)
97                 == haystack.iter().rposition(|b| needles.contains(b))
100             haystack: Vec<u8>,
103             super::find_not(&haystack, &needles)
104                 == haystack.iter().position(|b| !needles.contains(b))
107             haystack: Vec<u8>,
110             super::rfind_not(&haystack, &needles)
111                 == haystack.iter().rposition(|b| !needles.contains(b))