peek_back<-.rdeque {rstackdeque} | R Documentation |
Allows modification access to the back of a deque.
## S3 replacement method for class 'rdeque' peek_back(d, ...) <- value
d |
rdeque to modify the back element of. |
... |
additional arguments to be passed to or from methods. |
value |
value to assign to the back data element. |
Runs in O(1) worst case time. Throws an error if the deque is empty.
modified rdeque.
peek_back.rdeque
for accessing the back element.
d <- rdeque() d <- insert_front(d, data.frame(a = 1, b = 1)) d <- insert_front(d, data.frame(a = 1, b = 1)) peek_back(d)$a <- 100 print(d) peek_back(d) <- data.frame(a = 100, b = 100)