MuchNotGiven
Add "not given" default values to your objects. This allows you to safely detect whether a method has been given argument values or not.
Usage
module MyNamespace
include MuchNotGiven
end
MyNamespace.not_given # => MyNamespace.not_given
"some value" == MyNamespace.not_given # => false
MyNamespace.not_given?("some value") # => false
MyNamespace.not_given?(MyNamespace.not_given?) # => true
MyNamespace.given?("some value") # => true
MyNamespace.given?(MyNamespace.not_given?) # => false
def my_method(value = MyNamespace.not_given)
if MyNamespace.given?(value)
# do something with the given value
end
end
def my_method(arg_value = MyNamespace.not_given)
value = MyNamespace.given?(value) ? value : "some default value"
# do something with the optionally defaulted value
endInstallation
Add this line to your application's Gemfile:
gem "much-not-given"
And then execute:
$ bundle
Or install it yourself as:
$ gem install much-not-given
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am "Added some feature") - Push to the branch (
git push origin my-new-feature) - Create new Pull Request