Improve it

See https://en.wikipedia.org/wiki/E.164, https://github.com/whisperfish/rust-phonenumber

A cli tool that compares an input string to all possible formats: hash, ID, URL, UUID, country format, time, etc...

Code name: wits (What is this string)

This is a crash course in the Rust programming language. It's written with a specific audience in mind: software engineers who know how to program in a high-level language but aren't familiar with lower-level programming and want to learn to write Rust quickly.