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// LNP/BP Core Library implementing LNPBP specifications & standards
// Written in 2020 by
//     Dr. Maxim Orlovsky <orlovsky@pandoracore.com>
//
// To the extent possible under law, the author(s) have dedicated all
// copyright and related and neighboring rights to this software to
// the public domain worldwide. This software is distributed without
// any warranty.
//
// You should have received a copy of the MIT License
// along with this software.
// If not, see <https://opensource.org/licenses/MIT>.

mod error;
pub mod message;
pub mod sphinx;
pub mod tlv;
mod unmarshall;

use std::ops::Rem;

use amplify::Wrapper;
pub use error::{Error, UnknownTypeError};
pub use message::{Payload, TypeId, TypedEnum};
pub use unmarshall::{
    CreateUnmarshaller, Unmarshall, UnmarshallFn, Unmarshaller,
};

pub trait EvenOdd
where
    Self: Wrapper,
    Self::Inner: Rem + From<u8>,
    <Self::Inner as Rem>::Output: Eq + From<u8>,
{
    #[inline]
    fn is_odd(&self) -> bool { !self.is_even() }

    #[inline]
    fn is_even(&self) -> bool { self.to_inner() % 2.into() == 0.into() }
}

#[derive(Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug, Display)]
pub enum EncodingType {
    #[display("lightning-encoding")]
    Lightning,

    #[display("strict-encoding")]
    Strict,
}