From: "ko1 (Koichi Sasada) via ruby-core" Date: 2024-02-13T19:05:25+00:00 Subject: [ruby-core:116714] [Ruby master Feature#19905] Introduce `Queue#peek` Issue #19905 has been updated by ko1 (Koichi Sasada). I feel it is natural that `to_a` returns `[]` immediately if there is no enqueued item. (`#peek` is not clear on it) ---------------------------------------- Feature #19905: Introduce `Queue#peek` https://bugs.ruby-lang.org/issues/19905#change-106730 * Author: hi@joaofernandes.me (Joao Fernandes) * Status: Open * Priority: Normal ---------------------------------------- This ticket proposes the introduction of the `Queue#peek` method, similar to what we can find in other object oriented languages such as Java and C#. This method is similar to `Queue#pop`, but does not change the data, nor does it require a lock. ``` q = Queue.new([1,2,3]) => # q.peek => 1 q.peek => 1 ``` I have felt the need of this for debugging, but I think that it can also be of practical use for presentation. I believe that the only drawback could be that newcomers could misuse it in multi-threaded work without taking into account that this method is not thread safe. I also volunteer myself to implement this method. -- https://bugs.ruby-lang.org/ ______________________________________________ ruby-core mailing list -- ruby-core@ml.ruby-lang.org To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org ruby-core info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-core.ml.ruby-lang.org/