signature"><span class="name-decl">ifNonNull</span>&lt;<a class="param1">Result</a>&gt;(<span class="param2">transform</span>: (<a href="https://pages.github.com/apple/pkl/stdlib/pkl/0.24.0/base/index.html#NonNull" class="name-ref">NonNull</a>) -&gt; <a href="index.html#ifNonNull().Result" class="name-ref">Result</a>): <a href="index.html#ifNonNull().Result" class="name-ref">Result</a>?<span class="context"> (<a href="https://pages.github.com/apple/pkl/stdlib/pkl/0.24.0/base/index.html" class="name-ref">pkl