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https://rubyflare.tumblr.com/post/2352300105/attraccessorwithdefault
Dec 18, 2010 · Here’s a method I hadn’t seen before: attr_accessor_with_default. This ActiveSupport method allows you to set a default value for an attribute accessor: class Person attr_accessor_with_default :age, 25 end some_person.age # => 25 some_person.age = 26 some_person.age # => 26 You can even pass in a block.
https://apidock.com/rails/Module/attr_accessor_with_default
Declare an attribute accessor with an initial default return value. To give attribute :age the initial value 25: class Person attr_accessor_with_default:age, 25 end person = Person. new person. age # => 25 person. age = 26 person. age # => 26. To give attribute :element_name a …
https://rubyquicktips.com/post/2631578325/attraccessorwithdefault
attr_accessor_with_default Here’s a method I haven’t seen before: attr_accessor_with_default This ActiveSupport method allows you to set a default value for an attribute accessor: class Person...
https://github.com/rails/rails/pull/29270
May 29, 2017 · This (really, the fact it's in the options hash at all) does mean the methods below will capture the default value in their closure -- so even if the value is changed on the root class, the original default won't be GCed.. I don't think we particularly need to care about a couple of extra empty hashes and arrays floating around, but I figured I'd at least mention it.
https://api.rubyonrails.org/classes/Module.html
Extends the module object with class/module and instance accessors for class/module attributes, just like the native attr* accessors for instance attributes.
https://api.rubyonrails.org/v2.3/classes/Module.html
Declare an attribute accessor with an initial default return value. To give attribute :age the initial value 25: class Person attr_accessor_with_default :age, 25 end some_person.age => 25 some_person.age = 26 some_person.age => 26 To give attribute :element_name a dynamic default value, evaluated in …
https://github.com/rails/rails/blob/master/activesupport/lib/active_support/json/encoding.rb
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https://guides.rubyonrails.org/active_support_core_extensions.html
Active Support Core ExtensionsActive Support is the Ruby on Rails component responsible for providing Ruby language extensions, utilities, and other transversal stuff.It offers a richer bottom-line at the language level, targeted both at the development of Rails applications, and at the development of Ruby on Rails itself.After reading this guide, you will know: What Core Extensions are. How ...
https://stackoverflow.com/questions/185573/what-is-mattr-accessor-in-a-rails-module
I couldn't really find this in Rails documentation but it seems like 'mattr_accessor' is the Module corollary for 'attr_accessor' (getter & setter) in a normal Ruby class. ... What is mattr_accessor in a Rails module? Ask Question Asked ... This helper method is provided by ActiveSupport. ruby-on-rails ruby class module activesupport. share
https://rubydocs.org/d/rails-6-0-0-rc1/classes/Module.html
Extends the module object with class/module and instance accessors for class/module attributes, just like the native attr* accessors for instance attributes, but does so on a per-thread basis. So the values are scoped within the Thread.current space under the class name of the module.
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