<p><span class="h-card" translate="no"><a href="https://mi.yumechi.jp/@yume" class="u-url mention">@<span>yume</span></a></span> There is no input lifetime to refer to in my actual use case.</p><p>if there was, I wouldn’t need to ask the question.</p><p>The HRTB is indeed there because the lifetime ‘s is that of a local in the body of the function</p>