error.rs

use std::num::ParseFloatError;

#[derive(Debug)]
pub enum Error {
    BelowAbsoluteZero,
    Parsing(ParseFloatError),

}

impl From<ParseFloatError> for Error {
    fn from(err: ParseFloatError) -> Self {
        Error::Parsing(err)
    }
}

use std::fmt::Display;
impl Display for Error {
    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> Result<(), ::std::fmt::Error> {
        match *self {
            Error::BelowAbsoluteZero => f.write_str("Error: BelowAbsoluteZero"),
            Error::Parsing(ref inner) => ::std::fmt::Display::fmt(inner, f),
        }
    }
}