deploy webservice static-file routing for docsite folder URLs, per-instance step-cache db, and constant-height panel title bars.

App/wwwroot/HiAPI-docsite/api/Hi.Common.Collections.SynList-1.html

@@ -576,6 +576,46 @@ Class SynList<T>
 
 
 
+  <a id="Hi_Common_Collections_SynList_1_AddAndGetIndex_" data-uid="Hi.Common.Collections.SynList`1.AddAndGetIndex*"></a>
+
+  <h3 id="Hi_Common_Collections_SynList_1_AddAndGetIndex__0_" data-uid="Hi.Common.Collections.SynList`1.AddAndGetIndex(`0)">
+  AddAndGetIndex(T)
+  
+  </h3>
+
+  <div class="markdown level1 summary"><p>Atomically appends <code class="paramref">item</code> and returns the index it was inserted at.
+Use this instead of <a class="xref" href="Hi.Common.Collections.SynList-1.html#Hi_Common_Collections_SynList_1_Add__0_">Add(T)</a> + <a class="xref" href="Hi.Common.Collections.SynList-1.html#Hi_Common_Collections_SynList_1_Count">Count</a> when the caller needs the
+position of the just-added item under concurrent appends (computing <code>Count - 1</code>
+after <a class="xref" href="Hi.Common.Collections.SynList-1.html#Hi_Common_Collections_SynList_1_Add__0_">Add(T)</a> would race with other writers).</p>
+</div>
+  <div class="markdown level1 conceptual"></div>
+
+  <div class="codewrapper">
+    <pre><code class="lang-csharp hljs">public int AddAndGetIndex(T item)</code></pre>
+  </div>
+
+  <h4 class="section">Parameters</h4>
+  <dl class="parameters">
+    <dt><code>item</code> <span class="xref">T</span></dt>
+    <dd></dd>
+  </dl>
+
+  <h4 class="section">Returns</h4>
+  <dl class="parameters">
+    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></dt>
+    <dd></dd>
+  </dl>
+
+
+
+
+
+
+
+
+
+
+
   <a id="Hi_Common_Collections_SynList_1_Clear_" data-uid="Hi.Common.Collections.SynList`1.Clear*"></a>
 
   <h3 id="Hi_Common_Collections_SynList_1_Clear" data-uid="Hi.Common.Collections.SynList`1.Clear">