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

• https://doc.rust-lang.org/1.22.0/book/first-edition/the-stack-and-the-heap.html

Expected Function

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

Usage

Here is a program to test your function

use name_initials::initials;

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

And its output

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