xchange-rs 0.1.1

A simple cli program for quickly converting different currencies. Have you ever just quickly needed how much 12 Us dollars are in EUR? Here is your solution you don't need to open a browser just use the terminal!
Documentation 
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//The library used to create that nice cli!
use clap::{Command, Arg};
mod lib;

fn main() {

    let cli = Command::new("cli")
        .about("A small crate to convert different amounts of different currencies!
This is crate sensitive!\n
This crate might contain bugs!
This is a small project i did so it isn't perfect, but i will try to maintain it as much as i can.")
        .arg(Arg::new("amount")
             .takes_value(true)
             .required(true)
             .help("The amount of money you want to convert hint: xchange-rs <amount> <from> <to>"))
        .arg(Arg::new("from")
             .takes_value(true)
             .required(true)
             .help("The currency you wnat to convert from! e.g.: USD"))
        .arg(Arg::new("to")
             .takes_value(true)
             .required(true)
             .help("The currency you wnat to convert to! e.g.: EUR"))
        .get_matches();

    let f = lib::xchangeit(cli.value_of("amount"), cli.value_of("from"), cli.value_of("to"));

    //I am not a 100% sure if this is correct again i am kind of a beginner with rust
    // but it work so it's fone for now!
    match f {
        Ok(o) => Ok(o),
        Err(e) => Err(e),

    };

}