Ruby | Queue deq() function

The deq() is an inbuilt function in Ruby returns the element in the front of the queue and removes it from the queue.

Syntax: q_name.deq()

Parameters: The function does not takes any element.



Return Value: It returns the first element which is at the front of the queue and removes it from the queue.

Example 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

#Ruby program for deq function in Queue
  
#Create a new QUEUE q1
q1 = Queue.new
  
#push 5
     q1.push(5)
  
#push 6
         q1.push(6)
  
#Prints the top - most element and also pops it
             puts q1.deq
  
                 puts q1.deq

chevron_right


Output:

5
6

Example 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

#Ruby program for deq function in Queue
  
#Create a new QUEUE q1
q1 = Queue.new
  
#push 12
     q1.push(12)
  
#push 21
         q1.push(21)
  
#Prints the top - most element and also pops it
             puts q1.deq
  
                 puts q1.deq

chevron_right


Output:

12
21

Reference: https://devdocs.io/ruby~2.5/queue#method-i-deq



My Personal Notes arrow_drop_up

The function of education is to teach one to think intensively and to think critically

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.