How do I create a set in Ruby?

How do I create a set in Ruby?

In Ruby, you can create a set using the Set class. First, you need to require the 'set' library. Here's an example:

require 'set'
my_set = Set.new([1, 2, 3])

This creates a set with the elements 1, 2, and 3.

What are the benefits of using sets over arrays?

Sets automatically handle duplicates and provide faster lookup times for membership checks compared to arrays.

Can I perform operations like union and intersection with sets?

Yes, you can! For example, to find the union of two sets, you can use the | operator:

set1 = Set.new([1, 2, 3])
set2 = Set.new([3, 4, 5])
union_set = set1 | set2

How do I convert an array to a set?

You can convert an array to a set by passing the array to the Set constructor:

array = [1, 2, 2, 3]
my_set = Set.new(array)