insert_back | R Documentation |
Returns a version of the deque/queue with the new element in the back position.
insert_back(x, e, ...)
x |
rdeque or rpqueue to insert onto. |
e |
element to insert. |
... |
additional arguments to be passed to or from methods (ignored). |
Runs in O(1) time worst-case. Does not modify the original.
modified version of the rdeque or rpqueue.
Okasaki, Chris. Purely Functional Data Structures. Cambridge University Press, 1999.
d <- rdeque() d <- insert_back(d, "a") d <- insert_back(d, "b") print(d) d2 <- insert_back(d, "c") print(d2) print(d)
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