SingletonEval
Enter singleton class scope simply
Installation
$ gem install singleton_eval
Require singleton_eval in your application:
require 'singleton_eval'
Usage
You can operate instance method of singleton class simply.
class Sample
def self.class_method
'class_method'
end
end
# alias class method
Sample.singleton_eval { alias_method :alias_class_method, :class_method }
Sample.alias_class_method
=> 'class_method'
# undef class method
Sample.singleton_eval { undef_method :alias_class_method }
Sample.alias_class_method
=> NoMethodError
Development
After checking out the repo, run bin/setup
to install dependencies. Then, run rake spec
to run the tests. You can also run bin/console
for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install
. To release a new version, update the version number in version.rb
, and then run bundle exec rake release
, which will create a git tag for the version, push git commits and tags, and push the .gem
file to rubygems.org.
Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/muratiger/singleton_eval.
License
The gem is available as open source under the terms of the MIT License.