Optser
Handle options from a set of arguments.
Optser Links
- Source: https://github.com/byu/optser
- Continuous Integration: https://travis-ci.org/byu/optser
- RubyGems: http://rubygems.org/gems/optser
- RubyDocs: http://rubydoc.info/gems/optser
Installation
Add this line to your application's Gemfile:
gem 'optser'
And then execute:
$ bundle
Or install it yourself as:
$ gem install optser
Usage
require 'optser'
class MyClass
def initialize(*args)
opts = Optser.extract_options! args
# Optional, with nil as default
@a = opts.get :option_a
# Optional, with default value
@b = opts.get :option_b, 'DEFAULT'
# Option's default value is the value returned by the block
@c = opts.get(:option_c) {
Hash.new
}
# Mandatory option, which will raise an error if not present.
@d = opts.get! :option_d
end
end
# Will be successful
my_object = MyClass.new option_d: 3
puts my_object
=> #<MyClass:0x007fe09c322d80 @a=nil, @b="DEFAULT", @c={}, @d=3>
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request