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Ruby | SizedQueue size() function

  • Last Updated : 09 Jan, 2020

The size() is an inbuilt function in Ruby returns the current size of the SizedQueue or the number of objects present in it.

Syntax: sq_name.size()

Parameters: The function does not takes any parameter.

Return Value: It returns the number of elements in the SizedQueue.

Example 1:






#Ruby program for size() function in SizedQueue
  
#Create a new SizedQueue q1
sq1 = SizedQueue.new(2)
  
#pushes 5
          sq1.enq(5)
  
#pushes 6
              sq1.enq(6)
  
#Prints the size
                  puts sq1.size
  
#Pops the element
                      sq1.pop
  
#Prints the size
                          puts sq1.size

Output:

2
1

Example 2:




#Ruby program for size() function in SizedQueue
  
#Create a new SizedQueue q1
sq1 = SizedQueue.new(3)
  
#Prints the size
          puts sq1.size
  
#pushes 5
              sq1.enq(5)
  
#pushes 6
                  sq1.enq(6)
  
#pushes 7
                      sq1.enq(7)
  
#Prints the size
                          puts sq1.size
  
#Pops the element
                              sq1.pop
  
#Prints the size
                                  puts sq1.size

Output:

0
3
2

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




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