full url for anchor tags?

I'm using Statamic starter's creek template and have some links in there that use the url variable as in the code below. These output relative urls like: /topics/my-topic. How can we output the full site URL like https://mysite.com/topics/my-topic? Is there a helper function we can use?

This is the snippet I'm looking to update, modifying the href value..

{{ taxonomy:topics sort="title" }}
            <h2 class="text-4xl font-bold hover:text-teal">
               <a href="{{ url }}">{{ title }}</a>
{{ /taxonomy:topics }}
>>>>>>> Unanswered <<<<<<<
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