1 
use std::collections::HashSet;
2 
use std::fmt::Debug;
3 
use std::hash::Hash;
4 

            

        

            

                5
            

            

                
            

            

                
pub fn to_set<T: Eq + Hash + Debug + Clone>(a: &Vec<T>) -> HashSet<T> {

            

        

            

                6
            

            

                
            

            

                
    let mut a_set: HashSet<T> = HashSet::new();

            

        

            

                7
            

            

                
            

            

                
    for el in a {

            

        

            

                8
            

            

                
            

            

                
        a_set.insert(el.clone());

            

        

            

                9
            

            

                
            

            

                
    }

            

        

            

                10
            

            

                
            

            

                
    a_set

            

        

            

                11
            

            

                
            

            

                
}