Ruby | SizedQueue clear() function

The clear() is an inbuilt function in Ruby clears the SizedQueue. We can re-insert objects again to it till the declared size of the SizedQueue.

Syntax: q_name.clear()

Parameters: The function does not takes any element.

Return Value: It clears the SizedQueue and does not returns anything.

Example 1:

#Ruby program for clear() function in SizedQueue

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

#push 5
         q1.push(5)

#push 6
             q1.push(6)

#Prints the element
                 puts q1.pop

#Clears the SizedQueue
                     q1.clear()

#Prints the size
                         puts q1.length

Output:

5
0

Example 2:

#Ruby program for clear() function in SizedQueue

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

#push 5
         q1.push(12)

#Closed the SizedQueue
             q1.clear()

#check if closed or not
                 puts q1.size

Output:

0

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