[−][src]Function permutator::get_permutation_size
pub fn get_permutation_size(size: usize, degree: usize) -> usize
Calculate all possible number of permutation. It's equals to size!/(size - 1).
Parameters
size
a size of data set to generate a permutation.degree
number of data set repetition.
Examples
use permutator::get_permutation_size; get_permutation_size(3, 2); // return = 6 get_permutation_size(4, 2); // return = 12