What are hash maps in Rust?

What are hash maps in Rust?

Hash maps in Rust are collections that store key-value pairs, allowing for fast data retrieval.

How do I create a hash map in Rust?

You can create a hash map using the HashMap type from the std::collections module. Here's an example:

use std::collections::HashMap;

let mut map = HashMap::new();
map.insert("key1", "value1");

What are some common methods for hash maps?

Common methods include insert, get, remove, and contains_key. Each allows you to manipulate the hash map.

Can hash maps store different types of values?

No, all values in a hash map must be of the same type. However, you can use enums or traits to store different types.