pub fn split_space_one_word(s: &String) -> &str {
let bytes = s.as_bytes();
for (i, &item) in bytes.iter().enumerate() {
if item == b' ' {
return &s[0..i];
}
}
&s[..]
}
pub fn split_comma_wordlist(wordlist: &String) -> Vec<&str> {
wordlist.split(',').collect()
}
pub fn split_half_len(array: &[u8; 64]) -> (&[u8], &[u8]) {
let slice: &[u8] = array;
let (first_half, second_half) = slice.split_at(32);
// println!(
// "first_half.len()={} second_half.len()={}",
// first_half.len(),
// second_half.len()
// );
(&first_half, &second_half)
}