svn commit: r903069 - in /websites/staging/thrift/trunk/content: ./ tutorial/go.html

[bu...@apache.org]

Author: buildbot
Date: Sun Mar 23 02:06:28 2014
New Revision: 903069

Log:
Staging update by buildbot for thrift

Modified:
    websites/staging/thrift/trunk/content/   (props changed)
    websites/staging/thrift/trunk/content/tutorial/go.html

Propchange: websites/staging/thrift/trunk/content/
------------------------------------------------------------------------------
--- cms:source-revision (original)
+++ cms:source-revision Sun Mar 23 02:06:28 2014
@@ -1 +1 @@
-1580420
+1580421

Modified: websites/staging/thrift/trunk/content/tutorial/go.html
==============================================================================
--- websites/staging/thrift/trunk/content/tutorial/go.html (original)
+++ websites/staging/thrift/trunk/content/tutorial/go.html Sun Mar 23 02:06:28 2014
@@ -90,64 +90,64 @@
 <li>The GOPATH may need to be adjusted, alternatively manually put the Go Thrift library files into a suitable location.</li>
 </ul>
 <h3 id="client">Client</h3>
-<p><div class="codehilite"><pre><span class="n">import</span> <span class="p">(</span>
+<div class="codehilite"><pre><span class="n">import</span> <span class="p">(</span>
     <span class="s">&quot;crypto/tls&quot;</span>
     <span class="s">&quot;fmt&quot;</span>
     <span class="s">&quot;git.apache.org/thrift.git/lib/go/thrift&quot;</span>
     <span class="s">&quot;tutorial&quot;</span>
-<span class="p">)</span></p>
-<p><span class="n">func</span> <span class="n">handleClient</span><span class="p">(</span><span class="n">client</span> <span class="o">*</span><span class="n">tutorial</span><span class="p">.</span><span class="n">CalculatorClient</span><span class="p">)</span> <span class="p">(</span><span class="n">err</span> <span class="n">error</span><span class="p">)</span> <span class="p">{</span>
+<span class="p">)</span>
+
+<span class="n">func</span> <span class="n">handleClient</span><span class="p">(</span><span class="n">client</span> <span class="o">*</span><span class="n">tutorial</span><span class="p">.</span><span class="n">CalculatorClient</span><span class="p">)</span> <span class="p">(</span><span class="n">err</span> <span class="n">error</span><span class="p">)</span> <span class="p">{</span>
     <span class="n">client</span><span class="p">.</span><span class="n">Ping</span><span class="p">()</span>
-    <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;ping()&quot;</span><span class="p">)</span></p>
-<div class="codehilite"><pre><span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>sum<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>_<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>client<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span 
 class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Add<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>1<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>1<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Print<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>1+1=<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na"
 >class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>sum<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;se&quot;</span><span class="nt">&gt;</span>\n<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>tutorial<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>NewWork<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>()<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Op<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>tutorial<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quo
 t;</span><span class="nt">&gt;</span>Operation_DIVIDE<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Num1<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>1<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Num2<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>0<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>quotient<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>client<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</spa
 n><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Calculate<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>1<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>if<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>!=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>nil<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>switch<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>v<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>type<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</sp
 an><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>case<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>*<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>tutorial<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;nl&quot;</span><span class="nt">&gt;</span>InvalidOperation:<span class="nt">&lt;/span&gt;</span>
-        <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Invalid operation:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span
 </span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>v<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>default<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:<span class="nt">&lt;/span&gt;</span>
-        <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Error during operation:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt
 ;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>return<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>else<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Whoa we can divide by 0 with new value:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span cl
 ass="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>quotient<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span>
-
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Op<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>tutorial<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quo
 t;</span><span class="nt">&gt;</span>Operation_SUBTRACT<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Num1<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>15<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Num2<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>10<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>diff<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>client<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><s
 pan class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Calculate<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>1<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>work<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>if<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>!=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>nil<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>switch<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>v<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>type<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</sp
 an><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>case<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>*<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>tutorial<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;nl&quot;</span><span class="nt">&gt;</span>InvalidOperation:<span class="nt">&lt;/span&gt;</span>
-        <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Invalid operation:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span
 </span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>v<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>default<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:<span class="nt">&lt;/span&gt;</span>
-        <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Error during operation:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt
 ;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>return<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>else<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Print<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>15-10=<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span clas
 s="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>diff<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;se&quot;</span><span class="nt">&gt;</span>\n<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span>
-
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>log<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>client<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><sp
 an class="s">&quot;n&quot;</span><span class="nt">&gt;</span>GetStruct<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;mi&quot;</span><span class="nt">&gt;</span>1<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>if<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>!=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>nil<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Unable to get struct:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span<
 /span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>return<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>else<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Check log:<span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <spa
 n class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>log<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Value<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>return<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span>
-</pre></div>
+    <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;ping()&quot;</span><span class="p">)</span>
+
+    <span class="n">sum</span><span class="p">,</span> <span class="n">_</span> <span class="o">:=</span> <span class="n">client</span><span class="p">.</span><span class="n">Add</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
+    <span class="n">fmt</span><span class="p">.</span><span class="n">Print</span><span class="p">(</span><span class="s">&quot;1+1=&quot;</span><span class="p">,</span> <span class="n">sum</span><span class="p">,</span> <span class="s">&quot;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">)</span>
+
+    <span class="n">work</span> <span class="o">:=</span> <span class="n">tutorial</span><span class="p">.</span><span class="n">NewWork</span><span class="p">()</span>
+    <span class="n">work</span><span class="p">.</span><span class="n">Op</span> <span class="o">=</span> <span class="n">tutorial</span><span class="p">.</span><span class="n">Operation_DIVIDE</span>
+    <span class="n">work</span><span class="p">.</span><span class="n">Num1</span> <span class="o">=</span> <span class="mi">1</span>
+    <span class="n">work</span><span class="p">.</span><span class="n">Num2</span> <span class="o">=</span> <span class="mi">0</span>
+    <span class="n">quotient</span><span class="p">,</span> <span class="n">err</span> <span class="o">:=</span> <span class="n">client</span><span class="p">.</span><span class="n">Calculate</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">work</span><span class="p">)</span>
+    <span class="k">if</span> <span class="n">err</span> <span class="o">!=</span> <span class="n">nil</span> <span class="p">{</span>
+        <span class="k">switch</span> <span class="n">v</span> <span class="o">:=</span> <span class="n">err</span><span class="p">.(</span><span class="n">type</span><span class="p">)</span> <span class="p">{</span>
+        <span class="k">case</span> <span class="o">*</span><span class="n">tutorial</span><span class="p">.</span><span class="nl">InvalidOperation:</span>
+            <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Invalid operation:&quot;</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span>
+        <span class="k">default</span><span class="o">:</span>
+            <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Error during operation:&quot;</span><span class="p">,</span> <span class="n">err</span><span class="p">)</span>
+        <span class="p">}</span>
+        <span class="k">return</span> <span class="n">err</span>
+    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+        <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Whoa we can divide by 0 with new value:&quot;</span><span class="p">,</span> <span class="n">quotient</span><span class="p">)</span>
+    <span class="p">}</span>
+
+    <span class="n">work</span><span class="p">.</span><span class="n">Op</span> <span class="o">=</span> <span class="n">tutorial</span><span class="p">.</span><span class="n">Operation_SUBTRACT</span>
+    <span class="n">work</span><span class="p">.</span><span class="n">Num1</span> <span class="o">=</span> <span class="mi">15</span>
+    <span class="n">work</span><span class="p">.</span><span class="n">Num2</span> <span class="o">=</span> <span class="mi">10</span>
+    <span class="n">diff</span><span class="p">,</span> <span class="n">err</span> <span class="o">:=</span> <span class="n">client</span><span class="p">.</span><span class="n">Calculate</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">work</span><span class="p">)</span>
+    <span class="k">if</span> <span class="n">err</span> <span class="o">!=</span> <span class="n">nil</span> <span class="p">{</span>
+        <span class="k">switch</span> <span class="n">v</span> <span class="o">:=</span> <span class="n">err</span><span class="p">.(</span><span class="n">type</span><span class="p">)</span> <span class="p">{</span>
+        <span class="k">case</span> <span class="o">*</span><span class="n">tutorial</span><span class="p">.</span><span class="nl">InvalidOperation:</span>
+            <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Invalid operation:&quot;</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span>
+        <span class="k">default</span><span class="o">:</span>
+            <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Error during operation:&quot;</span><span class="p">,</span> <span class="n">err</span><span class="p">)</span>
+        <span class="p">}</span>
+        <span class="k">return</span> <span class="n">err</span>
+    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+        <span class="n">fmt</span><span class="p">.</span><span class="n">Print</span><span class="p">(</span><span class="s">&quot;15-10=&quot;</span><span class="p">,</span> <span class="n">diff</span><span class="p">,</span> <span class="s">&quot;</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">)</span>
+    <span class="p">}</span>
 
+    <span class="n">log</span><span class="p">,</span> <span class="n">err</span> <span class="o">:=</span> <span class="n">client</span><span class="p">.</span><span class="n">GetStruct</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
+    <span class="k">if</span> <span class="n">err</span> <span class="o">!=</span> <span class="n">nil</span> <span class="p">{</span>
+        <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Unable to get struct:&quot;</span><span class="p">,</span> <span class="n">err</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">err</span>
+    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
+        <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Check log:&quot;</span><span class="p">,</span> <span class="n">log</span><span class="p">.</span><span class="n">Value</span><span class="p">)</span>
+    <span class="p">}</span>
+    <span class="k">return</span> <span class="n">err</span>
+<span class="p">}</span>
 
-<p><span class="p">}</span></p>
-<p><span class="n">func</span> <span class="n">runClient</span><span class="p">(</span><span class="n">transportFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TTransportFactory</span><span class="p">,</span> <span class="n">protocolFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TProtocolFactory</span><span class="p">,</span> <span class="n">addr</span> <span class="n">string</span><span class="p">,</span> <span class="n">secure</span> <span class="kt">bool</span><span class="p">)</span> <span class="n">error</span> <span class="p">{</span>
+<span class="n">func</span> <span class="n">runClient</span><span class="p">(</span><span class="n">transportFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TTransportFactory</span><span class="p">,</span> <span class="n">protocolFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TProtocolFactory</span><span class="p">,</span> <span class="n">addr</span> <span class="n">string</span><span class="p">,</span> <span class="n">secure</span> <span class="kt">bool</span><span class="p">)</span> <span class="n">error</span> <span class="p">{</span>
     <span class="n">var</span> <span class="n">transport</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TTransport</span>
     <span class="n">var</span> <span class="n">err</span> <span class="n">error</span>
     <span class="k">if</span> <span class="n">secure</span> <span class="p">{</span>
@@ -168,15 +168,17 @@
     <span class="p">}</span>
     <span class="k">return</span> <span class="n">handleClient</span><span class="p">(</span><span class="n">tutorial</span><span class="p">.</span><span class="n">NewCalculatorClientFactory</span><span class="p">(</span><span class="n">transport</span><span class="p">,</span> <span class="n">protocolFactory</span><span class="p">))</span>
 <span class="p">}</span>
-</pre></div></p>
+</pre></div>
+
 <h3 id="server">Server</h3>
-<p><div class="codehilite"><pre><span class="n">import</span> <span class="p">(</span>
+<div class="codehilite"><pre><span class="n">import</span> <span class="p">(</span>
     <span class="s">&quot;crypto/tls&quot;</span>
     <span class="s">&quot;fmt&quot;</span>
     <span class="s">&quot;git.apache.org/thrift.git/lib/go/thrift&quot;</span>
     <span class="s">&quot;tutorial&quot;</span>
-<span class="p">)</span></p>
-<p><span class="n">func</span> <span class="n">runServer</span><span class="p">(</span><span class="n">transportFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TTransportFactory</span><span class="p">,</span> <span class="n">protocolFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TProtocolFactory</span><span class="p">,</span> <span class="n">addr</span> <span class="n">string</span><span class="p">,</span> <span class="n">secure</span> <span class="kt">bool</span><span class="p">)</span> <span class="n">error</span> <span class="p">{</span>
+<span class="p">)</span>
+
+<span class="n">func</span> <span class="n">runServer</span><span class="p">(</span><span class="n">transportFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TTransportFactory</span><span class="p">,</span> <span class="n">protocolFactory</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TProtocolFactory</span><span class="p">,</span> <span class="n">addr</span> <span class="n">string</span><span class="p">,</span> <span class="n">secure</span> <span class="kt">bool</span><span class="p">)</span> <span class="n">error</span> <span class="p">{</span>
     <span class="n">var</span> <span class="n">transport</span> <span class="n">thrift</span><span class="p">.</span><span class="n">TServerTransport</span>
     <span class="n">var</span> <span class="n">err</span> <span class="n">error</span>
     <span class="k">if</span> <span class="n">secure</span> <span class="p">{</span>
@@ -189,22 +191,21 @@
         <span class="n">transport</span><span class="p">,</span> <span class="n">err</span> <span class="o">=</span> <span class="n">thrift</span><span class="p">.</span><span class="n">NewTSSLServerSocket</span><span class="p">(</span><span class="n">addr</span><span class="p">,</span> <span class="n">cfg</span><span class="p">)</span>
     <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
         <span class="n">transport</span><span class="p">,</span> <span class="n">err</span> <span class="o">=</span> <span class="n">thrift</span><span class="p">.</span><span class="n">NewTServerSocket</span><span class="p">(</span><span class="n">addr</span><span class="p">)</span>
-    <span class="p">}</span></p>
-<div class="codehilite"><pre><span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>if<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>!=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>nil<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>{<span class="nt">&lt;/span&gt;</span>
-    <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>return<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>err<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>}<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Printf<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>%T<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;se&quot;</span><span class="nt">&gt;</span>\n<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span cl
 ass="nt">&gt;</span><span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>transport<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>handler<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>NewCalculatorHandler<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>()<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>processor<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>tutorial<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>NewCalculatorProcessor<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><
 span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>handler<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>server<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;o&quot;</span><span class="nt">&gt;</span>:=<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>thrift<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>NewTSimpleServer4<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class
 ="s">&quot;n&quot;</span><span class="nt">&gt;</span>processor<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>transport<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>transportFactory<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt
 ;</span>protocolFactory<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
+    <span class="p">}</span>
 
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>fmt<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Println<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>(<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;s&quot;</span><span class="nt">&gt;</span><span class="ni">&amp;quot;</span>Starting the simple server... on <span class="ni">&amp;quot;</span><span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>,<span class="nt">&lt;/span&gt;</span> <span class="nt">&
 lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>addr<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>)<span class="nt">&lt;/span&gt;</span>
-<span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;k&quot;</span><span class="nt">&gt;</span>return<span class="nt">&lt;/span&gt;</span> <span class="nt">&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>server<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>.<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;n&quot;</span><span class="nt">&gt;</span>Serve<span class="nt">&lt;/span&gt;&lt;span</span> <span class="na">class=</span><span class="s">&quot;p&quot;</span><span class="nt">&gt;</span>()<span class="nt">&lt;/span&gt;</span>
-</pre></div>
+    <span class="k">if</span> <span class="n">err</span> <span class="o">!=</span> <span class="n">nil</span> <span class="p">{</span>
+        <span class="k">return</span> <span class="n">err</span>
+    <span class="p">}</span>
+    <span class="n">fmt</span><span class="p">.</span><span class="n">Printf</span><span class="p">(</span><span class="s">&quot;%T</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">transport</span><span class="p">)</span>
+    <span class="n">handler</span> <span class="o">:=</span> <span class="n">NewCalculatorHandler</span><span class="p">()</span>
+    <span class="n">processor</span> <span class="o">:=</span> <span class="n">tutorial</span><span class="p">.</span><span class="n">NewCalculatorProcessor</span><span class="p">(</span><span class="n">handler</span><span class="p">)</span>
+    <span class="n">server</span> <span class="o">:=</span> <span class="n">thrift</span><span class="p">.</span><span class="n">NewTSimpleServer4</span><span class="p">(</span><span class="n">processor</span><span class="p">,</span> <span class="n">transport</span><span class="p">,</span> <span class="n">transportFactory</span><span class="p">,</span> <span class="n">protocolFactory</span><span class="p">)</span>
 
+    <span class="n">fmt</span><span class="p">.</span><span class="n">Println</span><span class="p">(</span><span class="s">&quot;Starting the simple server... on &quot;</span><span class="p">,</span> <span class="n">addr</span><span class="p">)</span>
+    <span class="k">return</span> <span class="n">server</span><span class="p">.</span><span class="n">Serve</span><span class="p">()</span>
+<span class="p">}</span>
+</pre></div>
 
-<p><span class="p">}</span>
-</pre></div></p>
 <h2 id="additional-information">Additional Information</h2>
 <ul>
 <li>Try using one of the other available protocols, default is binary.</li>