Ruby | SizedQueue << function

Ruby | SizedQueue pop() function

Last Updated : 09 Jan, 2020

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

Syntax: sq_name.pop() Parameters: The function does not takes any element. Return Value: It returns the first element which is at the front of the SizedQueue and removes it from the SizedQueue.

Example 1:

CPP

#Ruby program for pop() function in SizedQueue

#Create a new SizedQueue q1
sq1 = SizedQueue.new(2)

#push 5
          sq1.push(5)

#push 6
              sq1.push(6)

#Prints the top - most element and also pops it
                  puts sq1.pop

                      puts sq1.pop

Output:

5
6

Example 2:

CPP

#Ruby program for pop function in SizedQueue

#Create a new SizedQueue q1
sq1 = SizedQueue.new(2)

#push 12
          sq1.push(12)

#push 21
              sq1.push(21)

#Prints the top - most element and also pops it
                  puts sq1.pop

                      puts sq1.pop

Output:

12
21

Reference: https://devdocs.io/ruby~2.5/sizedqueue#method-i-pop

Ruby | SizedQueue << function

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