Go's defer
brought to Ruby.
gem 'gopher-deferrable'
And then execute:
$ bundle install
require 'deferrable'
class YourClass
include Deferrable
def say_hello
defer { puts 'world' }
puts 'hello'
end
deferrable :say_hello
end
YourClass.new.say_hello
# hello
# world
# => nil
require 'deferrable'
class YourClass
include Deferrable
def say_hello
defer { puts 'bye' }
puts 'hello'
defer { puts 'world' }
end
deferrable :say_hello
end
YourClass.new.say_hello
# hello
# world
# bye
# => nil
require 'deferrable'
class YourClass
include Deferrable
def say_hello
defer { puts 'bye' }
puts 'hello'
oops
defer { puts 'world' }
end
def oops
raise StandardError
end
deferrable :say_hello
end
YourClass.new.say_hello
# hello
# bye
# `oops': StandardError (StandardError)
require 'deferrable'
class YourClass
include Deferrable
def say_hello
defer { puts 'bye' }
puts 'hello'
return 'i gotta go'
defer { puts 'world' }
end
deferrable :say_hello
end
YourClass.new.say_hello
# hello
# bye
# => 'i gotta go'
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 the created tag, and push the .gem
file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/AkihikoITOH/deferrable. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the Deferrable project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.