Rails 7 adds Enumerable#sole

Rails 7 introduces the Enumerable#sole method, which can be used to find and assert the presence of exactly one element in the enumerable. The Enumerable#sole method is an add-on for ActiveRecord::FinderMethods#sole and #find_sole_by methods, which were recently added in Rails 6.1. Please check our blog (Link is not available) for more details on it. 1=> list = ["Sole Element"] 2=> list.sole 3=> "

[tofu-kun]

“Enumerable#sole”