Ruby | SizedQueue pop() function
Last Updated :
09 Jan, 2020
The pop() is an inbuilt function in Ruby returns the element in the front of the SizedQueue and removes it from the SizedQueue.
Syntax: sq_name.pop()
Parameters: The function does not takes any element.
Return Value: It returns the first element which is at the front of the SizedQueue and removes it from the SizedQueue.
Example 1:
#Ruby program for pop() function in SizedQueue
#Create a new SizedQueue q1
sq1 = SizedQueue. new (2)
#push 5
sq1.push(5)
#push 6
sq1.push(6)
#Prints the top - most element and also pops it
puts sq1.pop
puts sq1.pop
|
Output:
5
6
Example 2:
#Ruby program for pop function in SizedQueue
#Create a new SizedQueue q1
sq1 = SizedQueue. new (2)
#push 12
sq1.push(12)
#push 21
sq1.push(21)
#Prints the top - most element and also pops it
puts sq1.pop
puts sq1.pop
|
Output:
12
21
Reference: https://devdocs.io/ruby~2.5/sizedqueue#method-i-pop
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