Sort in Rust 1.55

In Rust 1.55, you can sort an array using the sort() method. Here is an example:

fn main() {
    let mut arr = [3, 5, 1, 2, 4];
    arr.sort();
println!("{:?}", arr);

}

In this example, we define an array arr with five integers. Then, we call the sort() method on arr to sort it in ascending order. Finally, we print the sorted array using println!().

Output:

[1, 2, 3, 4, 5]

You can also use the sort_by() method to sort an array by a custom sorting function. Here is an example:

fn main() {
    let mut arr = ["apple", "banana", "cherry", "date", "elderberry"];
    arr.sort_by(|a, b| a.len().cmp(&b.len()));
println!("{:?}", arr);

}

In this example, we define an array arr with five strings. Then, we call the sort_by() method on arr and pass a closure as an argument that compares the length of two strings. The cmp() method is used to compare the length of the strings.

Output:

["date", "apple", "cherry", "banana", "elderberry"]