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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 big_size;
pub mod encoding;
mod error;
pub mod payload;
pub mod tlv;

pub use big_size::BigSize;
pub use encoding::{
    CreateUnmarshaller, LightningDecode, LightningEncode, Unmarshall,
    UnmarshallFn,
};
pub use error::{Error, UnknownTypeError};
pub use payload::{Payload, Unmarshaller};

use amplify::Wrapper;
use core::ops::Rem;

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()
    }
}