hyper::deref!

macro_rules! deref(
    ($from:ty => $to:ty) => {
        impl ::std::ops::Deref for $from {
            type Target = $to;

            fn deref<'a>(&'a self) -> &'a $to {
                &self.0
            }
        }

        impl ::std::ops::DerefMut for $from {
            fn deref_mut<'a>(&'a mut self) -> &'a mut $to {
                &mut self.0
            }
        }
    }
);