Ruby | Set length() function Last Updated : 07 Jan, 2020 Improve Improve Like Article Like Save Share Report The length() is an inbuilt method in Ruby returns the size of the Set. It returns the number of elements in the set. Syntax: s1_name.length() Parameters: The function does not accepts any parameter. Return Value: It returns the size of the set. Example 1: # Ruby program to illustrate # the length method # requires the set require "set" s1 = Set[16, 8, 3, 5, 2] # length method used puts s1.length() Output: 5 Example 2: # Ruby program to illustrate # the length method # requires the set require "set" s1 = Set[1, 2, 5] # length method used puts s1.length() Output: 3 Like Article Suggest improvement Previous Ruby | Set difference() function Next Ruby | Set size() function Share your thoughts in the comments Add Your Comment Please Login to comment...