Question

How to create HashSet in Rust

Answer 1

use std::collections::HashSet;

fn main() {
    let mut hs = HashSet::new();

    hs.insert("Rust");
    hs.insert("C");
    hs.insert("C");
    hs.insert("C++");
    hs.insert("C");

    println!("{:?}", hs);
}


 
 
/*
run:
 
{"C++", "C", "Rust"}
 
*/

 

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