Ruby | Queue clear() function

Ruby | Queue closed? function

Last Updated : 07 Jan, 2020

The closed? is an inbuilt function in Ruby checks if the queue is closed or not?. It returns a boolean value, which is true if the Queue is closed or it returns false.

Syntax: q_name.closed? Parameters: The function does not takes any element. Return Value: It returns true if the queue is closed else it returns false.

Example 1:

CPP

#Ruby program for closed ? function in Queue

#Create a new QUEUE q1
q1 = Queue.new

#push 5
     q1.push(5)

#push 6
         q1.push(6)

#Checks if the queue is closed or not
             puts q1.empty
    ?

#Close the queue
    q1.close()

#Checks if the queue is closed or not
        puts q1.closed
    ?

Output:

false
true

Example 2:

CPP

#Ruby program for closed ? function in Queue

#Create a new QUEUE q1
q1 = Queue.new

#Checks if the queue is closed ? or not
     puts q1.closed
    ?

Output:

closed

Reference: https://devdocs.io/ruby~2.5/queue#method-i-closed-3F

Ruby | Queue clear() function

gopaldave

Improve

Article Tags :

Similar Reads

Ruby | Queue close() function

The close() is an inbuilt function in Ruby closes the queue permanently and does not allow any more push or pop operations in it. A closed queue cannot be re-opened.Â Syntax: q_name.close() Parameters: The function does not takes any element. Return Value: It closes the queue and does not returns an

Ruby | Queue clear() function

The clear() is an inbuilt function in Ruby clears the queue and makes it size to be zero again. We can re-insert objects again to it. Syntax: q_name.clear() Parameters: The function does not takes any element. Return Value: It clears the queue and does not returns anything. Example 1: CPP #Ruby prog

Ruby | Queue enq() function

The enq() is an inbuilt function in Ruby inserts the element in the queue. Syntax: q_name.enq(element) Parameters: The function takes the element to be inserted into the queue. Return Value: It inserts the element into the queue. Example 1: CPP #Ruby program for enq() function in Queue #Create a new

Ruby | Queue deq() function

The deq() is an inbuilt function in Ruby returns the element in the front of the queue and removes it from the queue. Syntax: q_name.deq() Parameters: The function does not takes any element. Return Value: It returns the first element which is at the front of the queue and removes it from the queue.

Ruby | Queue empty? function

The empty? is an inbuilt function in Ruby checks if the queue is empty or not?. It returns a boolean value, which is true if the Queue is empty or it returns false. Syntax: q_name.empty? Parameters: The function does not takes any element. Return Value: It returns true if the queue is empty else it

Ruby | Queue pop() function

The pop() is an inbuilt function in Ruby returns the element in the front of the queue and removes it from the queue. Syntax: q_name.pop() Parameters: The function does not takes any element. Return Value: It returns the first element which is at the front of the queue and removes it from the queue.

Ruby | Queue new() function

The new() is an inbuilt function in Ruby creates a new queue of the given name. Syntax: q_name = Queue.new() Parameters: The function does not takes any parameter. Return Value: It creates a new queue. Example 1: CPP #Ruby program for new () function in Queue #Create a new QUEUE q1 q1 = Queue.new #p

Ruby | Queue push() function

The push() is an inbuilt function in Ruby inserts the element in the queue.Â Syntax: q_name.push(element) Parameters: The function takes the element to be inserted into the queue.Â Return Value: It inserts the element into the queue. Example 1:Â Ruby #Ruby program for push() function in Queue #Creat

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: CPP #Ruby program for size() f

Ruby | Queue << function

The <<() is an inbuilt function in Ruby inserts the element in the queue. Syntax: q_name << element Parameters: The function takes the element to be inserted into the queue. Return Value: It inserts the element into the queue. Example 1: CPP #Ruby program for << function in Queue #