Ruby | SizedQueue clear() function
Last Updated :
09 Jan, 2020
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
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