Ruby | Queue size() function
The size() is an inbuilt function in Ruby returns the current size of the Queue or the number of objects present in it.
Syntax: q_name.size()
Parameters: The function does not takes any parameter.
Return Value: It returns the number of elements in the queue.
Example 1:
#Ruby program for size() function in Queue
#Create a new QUEUE q1
q1 = Queue. new
#pushes 5
q1.enq(5)
#pushes 6
q1.enq(6)
#Prints the size
puts q1.size
#Pops the element
q1.pop
#Prints the size
puts q1.size
|
Output:
2
1
Example 2:
#Ruby program for size() function in Queue
#Create a new QUEUE q1
q1 = Queue. new
#Prints the size
puts q1.size
#pushes 5
q1.enq(5)
#pushes 6
q1.enq(6)
#pushes 7
q1.enq(7)
#Prints the size
puts q1.size
#Pops the element
q1.pop
#Prints the size
puts q1.size
|
Output:
0
3
2
Reference: https://devdocs.io/ruby~2.5/queue#method-i-size
Last Updated :
07 Jan, 2020
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