Ruby | Queue length() function

The length() is an inbuilt function in Ruby returns the current length of the Queue or the number of objects present in it.

Syntax: q_name.length() Parameters: The function does not takes any parameter. Return Value: It returns the number of elements in the queue.

Example 1: Output:

2
1

Example 2: Output:

0
3
2

Reference: https://devdocs.io/ruby~2.5/queue#method-i-length