Question

How to create key value dictionary in Rust

Answer 1

use std::collections::HashMap;

fn main() {
    let mut dict = HashMap::new();
    
    dict.insert("rust", 4);
    dict.insert("c", 6);
    dict.insert("dart", 3);
    dict.insert("java", 8);
    
    println!("key value:");
    for (key, value) in dict {
        println!("{} - {}", key, value);
    }
}




/*
run:

key value:
dart - 3
rust - 4
c - 6
java - 8

*/

 

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