rustHow do you reverse a range in Rust?

Reversing a range in Rust is done using the rev() method. This method takes an iterator and returns an iterator that yields the same elements in reverse order.

Example code

let mut range = 0..10;
let reversed_range = range.rev();

for x in reversed_range {
    println!("{}", x);
}

Output example

9
8
7
6
5
4
3
2
1
0

Code explanation

• let mut range = 0..10;: This creates a range from 0 to 10.
• let reversed_range = range.rev();: This creates a reversed range from 10 to 0 using the rev() method.
• for x in reversed_range {: This iterates over the reversed range.
• println!("{}", x);: This prints the current element of the reversed range.

Helpful links

• Rust Documentation - Iterator
• Rust Documentation - Range

Edit this code on GitHub