Dinfio Documentation — Function Reference: queue::pop()

Module adt → Class queue → pop()

Description

Retrieve and remove the head of the Queue, or return nothing if the Queue is empty

queue::pop()

Parameters

There are no parameters.

Return Value

any — Returns the head of the Queue, or return nothing if the Queue is empty

Usage Example

import adt/queue
 
queue = queue()
 
queue.push(10)
queue.push(12)
queue.push(8)
 
writeln(queue.pop())   ' Output: 10
writeln(queue.pop())   ' Output: 12
writeln(queue.pop())   ' Output: 8
writeln(queue.pop())   ' Output: nothing