{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE FlexibleInstances #-}

module Data.Aviation.Units.Kilograms(
  Kilograms(kilograms)
) where

import Control.Category(id)
import Control.Lens(Iso')
import Prelude(Rational)

class Kilograms a where
  kilograms ::
    Iso' Rational a

instance Kilograms Rational where
  kilograms :: p Rational (f Rational) -> p Rational (f Rational)
kilograms =
    p Rational (f Rational) -> p Rational (f Rational)
forall k (cat :: k -> k -> *) (a :: k). Category cat => cat a a
id