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Ruby | Queue << function
  • Last Updated : 07 Jan, 2020

The <<() is an inbuilt function in Ruby inserts the element in the queue.

Syntax: q_name << element

Parameters: The function takes the element to be inserted into the queue.

Return Value: It inserts the element into the queue.

Example 1:



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#Ruby program for << function in Queue
  
#Create a new QUEUE q1
q1 = Queue.new
  
#push 5
     q1
     << 5
#push 6
     q1
     << 6
  
#Prints the element
        puts q1.pop
            puts q1.pop

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Output:

5
6

Example 2:

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#Ruby program for << function in Queue
  
#Create a new QUEUE q1
q1 = Queue.new
  
#push 10
     q1
     << 10
  
#push 12
     q1
     << 12
  
#Prints the element
        puts q1.pop
  
#Again pushes 13
            q1
     << 13
  
#Prints the element
        puts q1.pop
  
#Prints the element
            puts q1.pop

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Output:

10
12
13

Reference: https://devdocs.io/ruby~2.5/queue#method-i-3C-3C




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