Question

How to check if HashSet contains specific value 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("Java");
  
    if hs.contains(&"Rust") {
        println!("found");
    } else {
        println!("not found");
    }
}




/*
run:

found

*/

 

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