Ruby | Queue pop() function

Last Updated : 12 Jul, 2025
The pop() is an inbuilt function in Ruby returns the element in the front of the queue and removes it from the queue.
Syntax: q_name.pop() 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: CPP 
#Ruby program for pop() 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.pop

                 puts q1.pop
Output: 
5
6
Example 2: CPP 
#Ruby program for pop 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.pop

                 puts q1.pop
Output: 
12
21
Reference: https://devdocs.io/ruby~2.5/queue#method-i-pop
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