Ruby | SizedQueue size() function

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