//! Declare an error type for the tor-consdiff crate.

use thiserror::Error;

use std::num::ParseIntError;

/// An error type from the tor-consdiff crate.

#[derive(Clone, Debug, Error)]

#[non_exhaustive]

pub enum Error {

    /// We got a consensus diff that we couldn't parse, or which we found

    /// to be somehow invalid.

    // TODO: it would be neat to have line numbers here.

    #[error("Invalid diff: {0}")]

    BadDiff(&'static str),

    /// We got a consensus diff that looked valid, but we couldn't apply it

    /// to the given input.

    #[error("Diff didn't apply to input: {0}")]

    CantApply(&'static str),

}

impl From<ParseIntError> for Error {

}

impl From<hex::FromHexError> for Error {

}