list divisors for a integer.

Add this line to your application's Gemfile:

gem 'idivisor'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install idivisor

require 'idivisor'

p 100.divisors          #=> [1, 2, 4, 5, 10, 20, 25, 50, 100]
p 100.each_diviror.to_a #=> [1, 2, 4, 5, 10, 20, 25, 50, 100]

# `has_divisor?` and `divisible_by?` are same for alias.
p 4.has_divisor?(2) #=> true
p 4.divisible_by?(3) #=> false

# 3 is a divisor of 9.
# 4 is not a divisor of 2
p 3.divisor_of?(9) #=> true
p 4.divisor_of?(2) #=> false

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

$ rake test
$ rake
$ ruby test/idivisor_test.rb`

Bug reports and pull requests are welcome on GitHub at https://github.com/universato/idivisor. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.

The gem is available as open source under the terms of the CC0 License.

Everyone interacting in the Divisor project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.