This method is deprecated or moved on the latest stable version.
The last existing version (v1.2.6) is shown here.
move_lower()
public
Swap positions with the next lower item, if one exists.
# File activerecord/lib/active_record/acts/list.rb, line 84
def move_lower
return unless lower_item
acts_as_list_class.transaction do
lower_item.decrement_position
increment_position
end
end