Ruby | Set length() function

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