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use chrono;
use subtle_encoding;

/// Kinds of errors
#[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)]
pub enum Error {
    /// Length incorrect or too long
    #[fail(display = "length error")]
    Length,

    /// Parse error
    #[fail(display = "parse error")]
    Parse,

    /// Value out-of-range
    #[fail(display = "value out of range")]
    OutOfRange,
}

impl From<chrono::ParseError> for Error {
    fn from(_: chrono::ParseError) -> Error {
        Error::Parse
    }
}

impl From<subtle_encoding::Error> for Error {
    fn from(_: subtle_encoding::Error) -> Error {
        Error::Parse
    }
}