Method dealloc

os/src/task/id.rs:31–39

(&mut self, id: usize)

        }
    }
    pub fn dealloc(&mut self, id: usize) {
        assert!(id < self.current);
        assert!(
            !self.recycled.iter().any(|i| *i == id),
            "id {} has been deallocated!",
            id
        );
        self.recycled.push(id);
    }
}

lazy_static! {