<p></p>
<p><b>@pablobm</b> approved this pull request.</p>

<p dir="auto">This is really clever, in the good sense 👍</p><hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/6449#discussion_r2435136265">test/mailers/previews/user_mailer_preview.rb</a>:</p>
<pre style='color:#555'>> @@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require "factory_bot_rails"
+
+class UserMailerPreview < ActionMailer::Preview
+  include FactoryBot::Syntax::Methods
+
+  # Wraps the preview in a transaction, so that no changes
+  # are persisted to the development db
+  def self.call(...)
</pre>
<p dir="auto">6 years after being made available in the language, TIL about argument forwarding with <code class="notranslate">...</code> 😳 I have always used <code class="notranslate">*</code> and variants, but this seems easier.</p>

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