public/subjects/name_initials

name_initials

Instructions

Create a function called initials, this function will receive a vector of string literals with names and return a vector of Strings with the initials of each name.

This exercise will test the heap allocation of your function! So try your best to allocate the minimum data on the heap!

Notions

• stack and heap

Expected Function

pub fn initials(names: &mut Vec<&str>) -> Vec<String> {
}

Usage

Here is a program to test your function:

use name_initials::initials;

fn main() {
    let mut names = vec!["Harry Potter", "Someone Else", "J. L.", "Barack Obama"]
    println!("{:?}", initials(&mut names));
}

And its output

student@ubuntu:~/[[ROOT]]/test$ cargo run
["H. P.", "S. E.", "J. L.", "B. O."]
student@ubuntu:~/[[ROOT]]/test$