Q:

Rust program to print only values of a HashMap

belongs to collection: Rust HashMap Programs

YasminRadwan26
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2022-07-18
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In this program, we will create a HashMap and then we will insert items into HashMap using the insert() function. After that, we will print only values of created HashMap.

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YasminRadwan26
2022-07-18
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Program/Source Code:

The source code to print only values of a HashMap is given below. The given program is compiled and executed successfully.

// Rust program to print only values 
// of a HashMap

use std::collections::HashMap;

fn main() 
{
    let mut map = HashMap::new();

    map.insert("Key1", 101);
    map.insert("Key2", 102);
    map.insert("Key3", 103);
    map.insert("Key4", 104);

    println!("HashMap values:");
    for val in map.values() {
        println!("  {}", val);
    }
}

Output:

HashMap values:
  102
  104
  101
  103

Explanation:

Here, we created a HashMap, then we inserted the item into HashMap and printed the only values of created HashMap using the values() method.

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