glennfu · April 9, 2020 15:17
diff --git a/bash b/bash
 Version4::Foo.last.bars.first.class
 => Version4::Bar

 Version5::Foo.last.bars.first.class
 => Version4::Bar

diff --git a/version4_bar.rb b/version4_bar.rb
 class Version4::Bar < ApplicationRecord
 end
diff --git a/version4_foo.rb b/version4_foo.rb
 class Version4::Foo < ApplicationRecord
  has_many :bars
 end
diff --git a/version5_bar.rb b/version5_bar.rb
 class Version5::Bar < Version4::Bar
 end
diff --git a/version5_foo.rb b/version5_foo.rb
 class Version5::Foo < Version4::Foo
 end
	Version4::Foo.last.bars.first.class
	=> Version4::Bar

	Version5::Foo.last.bars.first.class
	=> Version4::Bar