第138回 ゆかお みなみや がく

[ManabuSeki]

次は2.3.4 継承の階層から

[yuki3738]

🌮

[yuki3738]

http://www.itsenka.com/contents/development/uml/class.html

[yucao24hours]

「あの黒いひし形とか白い矢印ってなんていうルールなんだっけ...」の回答 https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%A9%E3%82%B9%E5%9B%B3

[yucao24hours]

Returns whether this class is an abstract class or not. https://api.rubyonrails.org/classes/ActiveRecord/Inheritance/ClassMethods.html#method-i-abstract_class-3F

[yucao24hours]

abstract_class = true

とはどこからやってきたのか？を掘り下げてみた https://github.com/rails/rails/blob/4fe27cdc15b88fed5ae725a886b7e96202f649a8/activerecord/lib/active_record/inheritance.rb#L158

autoload されているのはここ https://github.com/rails/rails/blob/4fe27cdc15b88fed5ae725a886b7e96202f649a8/activerecord/lib/active_record.rb#L47

[yuki3738]

https://github.com/rails/rails/commit/ceb33f84933639d3b61aac62e5e71fd087ab65ed

[yuki3738]

(∩´∀｀)∩ﾜｰｲ

[yucao24hours]

第2章おわり！次は第3章から