armanriazi rust vec

Sure, I'll provide a response without any personal words or sentences.

In Rust, the Vec type is used to create and manipulate dynamic arrays. It stands for "vector." A Vec is a growable array that can store elements of the same type. To use Vec, you first need to import it with use std::vec::Vec;.

To create a new Vec, you can use the Vec::new() function or the vec! macro. Here's an example using the macro:

let numbers = vec![1, 2, 3, 4, 5];

You can also initialize a Vec with a specific size using the Vec::with_capacity() function:

let mut numbers = Vec::with_capacity(5);
numbers.push(1);
numbers.push(2);
numbers.push(3);
numbers.push(4);
numbers.push(5);

To access elements in a Vec, you can use indexing:

let numbers = vec![1, 2, 3, 4, 5];
let second_number = numbers[1];

You can modify a Vec by adding or removing elements. Here are some common methods:

• push(): Adds an element to the end of the Vec.
• pop(): Removes and returns the last element in the Vec.
• insert(): Inserts an element at a specific index.
• remove(): Removes and returns the element at a specific index.

let mut numbers = vec![1, 2, 3];
numbers.push(4);
numbers.pop();
numbers.insert(1, 10);
numbers.remove(2);

You can iterate over a Vec using a for loop or the iter() method:

let numbers = vec![1, 2, 3, 4, 5];
for num in &numbers {
    println!("{}", num);
}

The Vec type in Rust also supports various other methods like len(), is_empty(), contains(), and sort().

I hope this provides the information you were looking for.