Ruby | SizedQueue enq() function

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

Ruby | SizedQueue enq() function

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