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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//importing required deps
use scraper::{Html, Selector};

#[tokio::main]

//The "main" function !!! This is Option because of clap!
pub async fn xchangeit(amount: Option<&str>, from: Option<&str>, to: Option<&str>) -> Result<(), Box<dyn std::error::Error>> {

    //formatting the url to actually get where the user wants to get!
    let url_final = format!("https://www.xe.com/currencyconverter/convert/?Amount={:?}&From={:?}&To={:?}", amount.unwrap_or_default(), from.unwrap_or_default(), to.unwrap_or_default());

    let url = url_final.replace("\"", "");

    //this line is for testing!
    //println!("{}", url);

    let req = reqwest::get(url).await?;

    //this line is for testing!
    //println!("{:?}", req);

    //fragment
    let fragment = Html::parse_fragment(&req.text().await?);

    //the "filter" for the element
    let selector = Selector::parse(".iGrAod").unwrap();

    //actually looking for the element!
    for elem in fragment.select(&selector) {
        println!("{}", elem.text().collect::<String>().trim());
    }

    Ok(())

}