Function random_partition 

pub fn random_partition<R: MutRandState>(
    rng: &mut R,
    total: usize,
    number_of_parts: usize,
) -> Vec<usize>

Generates a random partition of total into number_of_parts.

Returns

A vector containing a random partition with elements ordered in descending order.

Arguments

• rng - the random number generator used
• total - the number being partitioned
• number_of_parts - how many pieces the partition should have