Palindrome detector
'hkn_palindrome' is a sample Ruby gem created in Learn Enough Ruby to Be Dangerous by Michael Hartl.
Installation
To install 'hkn_palindrome', add this line to your application's 'Gemfile':
gem 'hkn_palindrome'
Then install as follows:
$ bundle install
Or install it directly using 'gem':
$ gem install hkn_palindrome
Usage
'hkn_palindrome' adds a 'palindrome?' method to the 'String' class, and can be used as follows:
$irb
>> require 'hkn_palindrome'
>>"honey badger".palindrome?
=> false
>> "deified".palindrome?
=> true
>> "Able was I, ere I saw Elba.".palindrome?
=> true
>> phrase = "Madam, I'm Adam."
>> phrase.palindrome?
=> true
License
The gem is available as open source under the terms of the MIT License.