popping: pop/popback

In wrathematics/dequer: Stacks, Queues, and 'Deques' for R

pop/popback

Description

Remove items from the front of a stack, queue, or deque for pop(); or, remove items from the back of a deque for popback().

Usage

pop(x)

## S3 method for class 'deque'
pop(x)

## S3 method for class 'queue'
pop(x)

## S3 method for class 'stack'
pop(x)

popback(x)

## S3 method for class 'deque'
popback(x)

Arguments

x	A queue, stack, or deque.

Details

Operates via side-effects; see examples for clarification on usage.

Value

Returns NULL; deletion operates via side-effects.

Examples

## Not run: 
library(dequer)

### A simple queue example
q <- queue()
for (i in 1:3) pushback(q, i)

pop(q)
str(q)

### A simple stack example
s <- stack()
for (i in 1:3) push(s, i)
pop(s)
str(s)

## End(Not run)

wrathematics/dequer documentation built on March 17, 2022, 6:38 p.m.