as.rpqueue {rstackdeque} | R Documentation |
Creates a new rpqueue from a given input. Coerces input to a
list first using as.list
, the element at x[[1]]
becomes the front of the new queue.
as.rpqueue(x, ...)
x |
input to convert to an rpqueue. |
... |
additional arguments to be passed to or from methods (ignored). |
Runs in O(N) in the size of the input. Because data.frames return a list of
columns when run through as.list
, running as.rpqueue
results in a queue of
columns, rather than a queue of rows.
a new rpqueue.
d <- as.rpqueue(1:20) print(d) ## A queue with only 5 elements, one for each column oops <- as.rdeque(iris) print(oops)