Ruby | Set subset? function

Ruby | Set size() function

Last Updated : 07 Jan, 2020

The size() is an inbuilt method in Ruby returns the size of the Set. It returns the number of elements in the set.

Syntax: s1_name.size()

Parameters: The function does not accepts any parameter.

Return Value: It returns the size of the set.

Example 1:

# Ruby program to illustrate  
# the size method  
   
# requires the set  
require "set"
   
s1 = Set[16, 8, 3, 5, 2] 
   
# size method used 
puts s1.size() 

Output:

Example 2:

# Ruby program to illustrate  
# the size method  
   
# requires the set  
require "set"
   
s1 = Set[1, 2, 5] 
   
# size method used 
puts s1.size() 

Output:

Ruby | Set subset? function

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