Function jay_lib::fns::fn_io::f_string

pub fn f_string<P: AsRef<str>>(s: P) -> Result<String, Box<dyn Error>>

Read string from file. Example:

    let mut s = String::from("");
    match f_string("./config.toml") {
        Ok(st) => s = st,
        Err(e) => eprintln!("{e}"),
    }
}