// SPDX-License-Identifier: Apache-2.0
// Sealed with Magistamp.

use core::mem::size_of;
use core::ops::{Add, Sub, Mul, Div, Rem};
use core::ops::{AddAssign, SubAssign, MulAssign, DivAssign, RemAssign};
use core::str::FromStr;

use crate::number::Number;
use crate::one::One;



/// A Natural number is a counting number from one to infinity.
/// 1, 2, 3, 4, 5, 6, ...
///
/// Rust types that are in this category are:
/// u8, u16, u32, u64, u128, usize
pub trait Natural: Number + One +
                   Add<Output=Self> + AddAssign +
                   Sub<Output=Self> + SubAssign +
                   Mul<Output=Self> + MulAssign +
                   Div<Output=Self> + DivAssign +
                   Rem<Output=Self> + RemAssign
{
   /// Performs division and returns both the quotient and remainder.
   #[inline]
   fn div_rem(self, rhs: Self) -> (Self, Self)
   {
      (self / rhs, self % rhs)
   }
}