Function beginner_tools::get_stdin

pub fn get_stdin<T>() -> Result<T, Box<Error>> where
    T: FromStr,
    T::Err: 'static + Error, 

Reads from stdin and tries to parse it to a specified type.

Examples

// Will loop as long as user does not pass in a float,
let my_float = loop {
    if let Ok(n) = get_stdin::<f64>() {
        break n
    };
    println!("Wrong Input!");
};

Errors

Function returns an Err(error) when user inputs an incorrect type