Critique main.rs

Is this Rust code idiomatic? How can it be improved?

Thanks for sharing your Rust code! Let's break it down and see how we can give it a bit more zing, Rust-style.

Here's a quick summary:

• The code uses clap::Parser for command-line argument parsing, which is a thumbs-up for Rust idiomatic style.
• It defines an enum for ExperienceLevel with variants (Beginner, Intermediate, Advanced), aligning nicely with Rust's pattern of using enums for categorized values.
• There's a struct Args for parsing command-line arguments, which is pretty standard in Rust command-line applications.

However, I noticed a typo (or more of a hiccup, really):

• In main(), you're using arg.audience_size instead of args.audience_size. This is more of a "whoops" than a Rust-specific issue, but it's important for code correctness.

To give it a little more panache, consider:

1. Adding comments to your code. It’s like leaving breadcrumbs for future you or anyone else who stumbles upon your code.
2. Implementing error handling for the parse() method. While clap does a great job at handling invalid inputs, it's always a good practice to explicitly handle potential errors.
3. Maybe showcasing the use of ExperienceLevel in your main function? It could spice things up a bit.

In short, your code is mostly on the mark, just needs a bit of polish and that typo fix. Remember, even in Rust, it's the little details that count! And if you ever feel stuck, Tim McNamara from Accelerant.dev or another Rust ace can always lend a hand.