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https://api.rubyonrails.org/classes/ActiveSupport/Concern.html
require 'active_support/concern' module Foo extend ActiveSupport::Concern included do def self.method_injected_by_foo ... end end end module Bar extend ActiveSupport::Concern include Foo included do self.method_injected_by_foo end end class Host include Bar # It works, now Bar takes care of its dependencies end
https://www.sitepoint.com/dry-off-your-rails-code-with-activesupportconcerns/
Oct 13, 2016 · Using extend ActiveSupport::Concern tells Rails that we are creating a concern. The code within the included block will be executed wherever the module is …
http://blog.coreyhaines.com/2012/12/why-i-dont-use-activesupportconcern.html
I don't use ActiveSupport::Concern. Unlike other Rails-based bastardization of concepts and names, ActiveSupport::Concern has very little to do with common connotations of "concern." It tightly couples a useful design concept to a single, possibly-least-optimal implementation of the idea (mixins).
https://medium.com/@diegocasmo/using-active-support-concerns-to-encapsulate-data-access-and-validation-e57ac46f34cd
Aug 12, 2019 · Using Active Support Concerns to Encapsulate Data Access and Validation Aug 12, 2019 · 3 min read Recently, I had to implement a feature …
http://engineering.appfolio.com/appfolio-engineering/2013/06/17/ruby-mixins-activesupportconcern
Jun 17, 2013 · No. Is every ActiveSupport::Concern a Concern? No. While I've used ActiveSupport::Concern to build actual Concerns, I've also used it to avoid writing out the boilerplate code mentioned above. If I just need to share some instance methods and nothing else, then I'll use a bare module. Modules, mixins and ActiveSupport::Concern are just tools in ...
https://stackoverflow.com/questions/22546515/using-activesupportconcern-to-overload-a-class-method
I have a class method that I would like a module to overload, such that the modules method can call super or another way to call the original class's implementation. This is similar to alias_method_chain, but the question is: is it possible to implement this via ActiveSupport::Concern? Consider the following:
https://github.com/rails/rails/blob/master/activesupport/lib/active_support/concern.rb
Apr 17, 2019 · rails / activesupport / lib / active_support / concern.rb Find file Copy path okuramasafumi Add documentations to AS::Concern#included and #class_methods 8dcce70 …
https://github.com/rails/rails/issues/15767
Jun 17, 2014 · @muichkine this is a bug tracker, not a support forum, so shortly:. My Minitest environment complains as soon as I remove them. I don't follow, if you remove requires and your app still works fine, but minitest starts complaining, that can't be right.My bet is that either the tests in question are somehow bad or your app (after removing requires) shouldn't work either.
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