Palindrome detector
xiaosheng91_palindrome
is a sample Ruby gem created in Learn Enough Ruby to Be Dangerous by Michael Hartl.
Installation
To install xiaosheng91_palindrome
, add this line to your application's Gemfile
:
gem 'xiaosheng91_palindrome'
Then install as follows:
$ bundle install
Or install it directly using gem
:
$ gem install xiaosheng91_palindrome
Usage
xiaosheng91_palindrome
adds a palindrome?
method to the String
class and Integer
class, and can be used as follows:
$ irb
>> require 'xiaosheng91_palindrome'
>> "honey badger".palindrome?
=> false
>> "deified".palindrome?
=> true
>> "Able was I, ere I saw Elba.".palindrome?
=> true
>> 12321.palindrome?
=> true
License
The gem is available as open source under the terms of the MIT License.