public/subjects/reverse_string

reverse_string

Instructions

Write a function rev_str that takes a &str as a parameter, and returns a String with its letters reversed.

Notions

• Strings
• Primitive Type str
• Primtive Type char
• Module std::string

Expected Functions

pub fn rev_str(input: &str) -> String {
}

Usage

Here is a possible program to test your function :

use reverse_string::rev_str;

fn main() {
    println!("{}", rev_str("Hello, world!"));
    println!("{}", rev_str("Hello, my name is Roman"));
    println!("{}", rev_str("I have a nice car!"));
    println!("{}", rev_str("How old are You"));
    println!("{}", rev_str("ex: this is an example água"));
}

And its output:

$ cargo run
!dlrow ,olleH
namoR si eman ym ,olleH
!rac ecin a evah I
uoY era dlo woH
augá elpmaxe na si siht :xe
$