64         Some(Self {  in new()
89         if let Some(try1) = self.do_find_first_free_index(self.current_id, self.max_id) {  in alloc()
93             return Some(try1);  in alloc()
97         if let Some(try2) =  in alloc()
103             return Some(try2);  in alloc()
182         assert_eq!(ida.alloc(), Some(0));  in test_id_allocator()
183         assert_eq!(ida.alloc(), Some(1));  in test_id_allocator()
184         assert_eq!(ida.alloc(), Some(2));  in test_id_allocator()
185         assert_eq!(ida.alloc(), Some(3));  in test_id_allocator()
186         assert_eq!(ida.alloc(), Some(4));  in test_id_allocator()
187         assert_eq!(ida.alloc(), Some(5));  in test_id_allocator()
188         assert_eq!(ida.alloc(), Some(6));  in test_id_allocator()
189         assert_eq!(ida.alloc(), Some(7));  in test_id_allocator()
190         assert_eq!(ida.alloc(), Some(8));  in test_id_allocator()
191         assert_eq!(ida.alloc(), Some(9));  in test_id_allocator()
208         assert_eq!(ida.alloc(), Some(5));  in test_id_allocator()