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pub const CHARS_CAPS_LATIN: &[u8] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".as_bytes();
pub const CHARS_LOW_LATIN: &[u8] = "abcdefghijklmnopqrstuvwxyz".as_bytes();
pub fn create_permut(chars: &[u8], count: usize) -> Vec<Vec<u8>> {
let base: (usize, usize) = (count / chars.len(), count % chars.len());
let cap = count + if base.1 > 0 { chars.len() - base.1 } else { 0 };
let mut rezult: Vec<Vec<u8>> = Vec::with_capacity(cap);
let chars_iter = chars.iter().cloned().map(|a| {
let mut n = Vec::new();
n.push(a);
n
});
rezult.extend(chars_iter);
let ch_iter = chars.iter().cloned();
for n in 0..base.0 {
let base_result = &rezult[n].clone();
rezult.extend(ch_iter.clone().map(|a| {
let mut tmp = base_result.clone();
tmp.push(a);
tmp
}));
}
rezult.truncate(count);
rezult
}