use std::vec::Vec;
use std::collections::HashSet;
use std::hash::Hash;
use std::cmp::Eq;

fn main(){
    let mut sample_elements = vec![0u8,0,1,1,2,3,2];
    println!("Before removal of duplicates : {:?}", sample_elements);
    remove_duplicate_elements(&mut sample_elements);
    println!("After removal of duplicates : {:?}", sample_elements);
}

fn remove_duplicate_elements<T : Hash + Eq>(elements: &mut Vec<T>){
    let set : HashSet<_> = elements.drain(..).collect();
    elements.extend(set.into_iter());
}