pushing | R Documentation |
Add items to the front of a stack or deque via pop()
.
Add items to the back of a queue or deque via popback()
.
push(x, data) ## S3 method for class 'deque' push(x, data) ## S3 method for class 'stack' push(x, data) pushback(x, data) ## S3 method for class 'deque' pushback(x, data) ## S3 method for class 'queue' pushback(x, data)
x |
A queue, stack, or deque. |
data |
R object to insert at the front of the deque/stack. |
Operates via side-effects; see examples for clarification on usage.
Returns NULL
; insertion operates via side-effects.
## Not run: library(dequer) ### A simple queue example q <- queue() for (i in 1:3) pushback(q, i) str(q) ### A simple stack example s <- stack() for (i in 1:3) push(s, i) str(s) ## End(Not run)
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