motion-weakattr
A zeroing attr_accessor replacement using WeakRef:
class MyClass
weak_attr :delegate
end
@obj = MyClass.new
autorelease_pool {
@obj.delegate = MyDelegate.new # wraps `delegate` in a WeakRef
@obj.delegate
# => #<MyDelegate:0x123123>
}
@obj.delegate # after deallocation
# => nilInstallation
Add this line to your application's Gemfile:
gem 'motion-weakattr'
And then execute:
$ bundle
Or install it yourself as:
$ gem install motion-weakattr