use std::ops::{Deref, DerefMut};
pub struct DummyBox<T>(pub T);
impl<T> Deref for DummyBox<T> {
type Target = T;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl<T> DerefMut for DummyBox<T> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}