a

Author: apmattil

_site/index.html

@@ -64,7 +64,7 @@ <h1 class="title">Ari's page</h1>
 
 <p>So I needed to learn golang.. I tought I’ll share my experiences.</p>
 
-<p>Of course I made some assosations in my mind with C/C++/python. I know golang tutorials let you know that you should not make such assumptions.. but you will anyway.</p>
+<p>Of course I made some assosations in my mind with C/C++/python. I know golang tutorials let you know that you should not make such assumptions.. but I could not help my self but to make them anyway.</p>
 
 <p>So here is what I learned this far :</p>
 
@@ -136,6 +136,8 @@ <h1 id="-go-routines"><a href="#header-1"></a> go routines</h1>
 
 <p>I think them as threads, fork etc.</p>
 
+<p>Here main() waits for childs to exit and first foo() finnishes last.</p>
+
 <div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">main</span><span class="x">
 
 </span><span class="k">import</span><span class="x"> </span><span class="s">"fmt"</span><span class="x">
@@ -159,8 +161,10 @@ <h1 id="-go-routines"><a href="#header-1"></a> go routines</h1>
 	</span><span class="n">time</span><span class="o">.</span><span class="n">Sleep</span><span class="p">(</span><span class="m">500</span><span class="o">*</span><span class="n">time</span><span class="o">.</span><span class="n">Millisecond</span><span class="p">)</span><span class="x">
 </span><span class="p">}</span><span class="x">
 </span></code></pre></div></div>
-<p>For some really good reason there ++really is no++ official api/function to get the go routine id (thread id), so I just use some id for now. I did try to use uuid but those make log line too long.
-Perhaps in future I’ll use the ‘context’ stuff they included quite resently.
+<p>For some really good reason there ++really is no++ official api/function to get the go routine id (thread id).
+So I just use some id for now. I did try to use uuid but those make log line too long.</p>
+
+<p>Perhaps in future I’ll use the ‘context’ stuff they included quite resently.
 I also heard that golang has inbuilt thread/go routine/function engine.. so you should be able to run more than real threads.. never needed that much yet.</p>
 
 <h1 id="-struct"><a href="#header-1"></a> struct</h1>
@@ -200,15 +204,6 @@ <h1 id="-imported-packages"><a href="#header-2"></a> imported packages</h1>
 <p>Public funtions you can overwrite, like virtual function in C++.
 Now the real mess starts when you include/import some package that uses private structs and/or constants.</p>
 
-<div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">main</span><span class="x">
-</span><span class="k">import</span><span class="x"> </span><span class="s">"my_utils"</span><span class="x">
-
-</span><span class="k">func</span><span class="x"> </span><span class="n">main</span><span class="p">()</span><span class="x"> </span><span class="p">{</span><span class="x">
-     </span><span class="k">var</span><span class="x"> </span><span class="n">y</span><span class="x"> </span><span class="n">my_utils</span><span class="o">.</span><span class="n">my_server</span><span class="x">
-     </span><span class="n">y</span><span class="o">.</span><span class="n">bar</span><span class="x"> </span><span class="o">=</span><span class="x"> </span><span class="s">"not bar"</span><span class="x">
-     </span><span class="n">my_utils</span><span class="o">.</span><span class="n">Foo</span><span class="p">(</span><span class="m">5</span><span class="p">,</span><span class="x"> </span><span class="n">y</span><span class="p">)</span><span class="x">
-</span><span class="p">}</span><span class="x">
-</span></code></pre></div></div>
 <p>in file my_utils.go, I added private my_server</p>
 
 <div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">my_utils</span><span class="x">
@@ -223,9 +218,21 @@ <h1 id="-imported-packages"><a href="#header-2"></a> imported packages</h1>
 </span><span class="p">}</span><span class="x">
 </span></code></pre></div></div>
 
-<p>Because my_server is private I can not use Foo(), I can not even access/set the bar variable if I change the my_server to public My_server !!</p>
+<p>At main I try to use it.</p>
+
+<div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">main</span><span class="x">
+</span><span class="k">import</span><span class="x"> </span><span class="s">"my_utils"</span><span class="x">
+
+</span><span class="k">func</span><span class="x"> </span><span class="n">main</span><span class="p">()</span><span class="x"> </span><span class="p">{</span><span class="x">
+     </span><span class="k">var</span><span class="x"> </span><span class="n">y</span><span class="x"> </span><span class="n">my_utils</span><span class="o">.</span><span class="n">my_server</span><span class="x">
+     </span><span class="n">y</span><span class="o">.</span><span class="n">bar</span><span class="x"> </span><span class="o">=</span><span class="x"> </span><span class="s">"not bar"</span><span class="x">
+     </span><span class="n">my_utils</span><span class="o">.</span><span class="n">Foo</span><span class="p">(</span><span class="m">5</span><span class="p">,</span><span class="x"> </span><span class="n">y</span><span class="p">)</span><span class="x">
+</span><span class="p">}</span><span class="x">
+</span></code></pre></div></div>
 
-<p>Now because the my_server is private I can not overwrite the Foo() anymore in my main().</p>
+<p>Because my_server is private I can not use public funtion Foo().
+I can not even access/set the bar variable if I change the my_server to public My_server !!
+Same apply if the private is the this-pointer instance I mentioned at function paragraph.</p>
 
 <p>In C++ you could inherit the whole class (my_utils), and then overwrite the Foo().</p>
 
@@ -245,10 +252,8 @@ <h2 id="-some-whining-about-this-issue"><a href="#header-3"></a> some whining ab
 <p>So I learned <strong>my lesson</strong>, I have to think what members really need be private or use interface in an github project. 
 If I think it is any use to anybody other than just cut and paste code.</p>
 
-<blockquote>
-  <div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>The end so far.
-</code></pre></div>  </div>
-</blockquote>
+<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>The end so far.
+</code></pre></div></div>
 
 <p><a href="http://hits.dwyl.io/apmattil/apmattil.github.io"><img src="http://hits.dwyl.io/apmattil/apmattil.github.io.svg" alt="HitCount" /></a></p>
 

_site/pages.html

@@ -64,7 +64,7 @@ <h1 class="title">Ari's page</h1>
 
 <p>So I needed to learn golang.. I tought I’ll share my experiences.</p>
 
-<p>Of course I made some assosations in my mind with C/C++/python. I know golang tutorials let you know that you should not make such assumptions.. but you will anyway.</p>
+<p>Of course I made some assosations in my mind with C/C++/python. I know golang tutorials let you know that you should not make such assumptions.. but I could not help my self but to make them anyway.</p>
 
 <p>So here is what I learned this far :</p>
 
@@ -136,6 +136,8 @@ <h1 id="-go-routines"><a href="#header-1"></a> go routines</h1>
 
 <p>I think them as threads, fork etc.</p>
 
+<p>Here main() waits for childs to exit and first foo() finnishes last.</p>
+
 <div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">main</span><span class="x">
 
 </span><span class="k">import</span><span class="x"> </span><span class="s">"fmt"</span><span class="x">
@@ -159,8 +161,10 @@ <h1 id="-go-routines"><a href="#header-1"></a> go routines</h1>
 	</span><span class="n">time</span><span class="o">.</span><span class="n">Sleep</span><span class="p">(</span><span class="m">500</span><span class="o">*</span><span class="n">time</span><span class="o">.</span><span class="n">Millisecond</span><span class="p">)</span><span class="x">
 </span><span class="p">}</span><span class="x">
 </span></code></pre></div></div>
-<p>For some really good reason there ++really is no++ official api/function to get the go routine id (thread id), so I just use some id for now. I did try to use uuid but those make log line too long.
-Perhaps in future I’ll use the ‘context’ stuff they included quite resently.
+<p>For some really good reason there ++really is no++ official api/function to get the go routine id (thread id).
+So I just use some id for now. I did try to use uuid but those make log line too long.</p>
+
+<p>Perhaps in future I’ll use the ‘context’ stuff they included quite resently.
 I also heard that golang has inbuilt thread/go routine/function engine.. so you should be able to run more than real threads.. never needed that much yet.</p>
 
 <h1 id="-struct"><a href="#header-1"></a> struct</h1>
@@ -200,15 +204,6 @@ <h1 id="-imported-packages"><a href="#header-2"></a> imported packages</h1>
 <p>Public funtions you can overwrite, like virtual function in C++.
 Now the real mess starts when you include/import some package that uses private structs and/or constants.</p>
 
-<div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">main</span><span class="x">
-</span><span class="k">import</span><span class="x"> </span><span class="s">"my_utils"</span><span class="x">
-
-</span><span class="k">func</span><span class="x"> </span><span class="n">main</span><span class="p">()</span><span class="x"> </span><span class="p">{</span><span class="x">
-     </span><span class="k">var</span><span class="x"> </span><span class="n">y</span><span class="x"> </span><span class="n">my_utils</span><span class="o">.</span><span class="n">my_server</span><span class="x">
-     </span><span class="n">y</span><span class="o">.</span><span class="n">bar</span><span class="x"> </span><span class="o">=</span><span class="x"> </span><span class="s">"not bar"</span><span class="x">
-     </span><span class="n">my_utils</span><span class="o">.</span><span class="n">Foo</span><span class="p">(</span><span class="m">5</span><span class="p">,</span><span class="x"> </span><span class="n">y</span><span class="p">)</span><span class="x">
-</span><span class="p">}</span><span class="x">
-</span></code></pre></div></div>
 <p>in file my_utils.go, I added private my_server</p>
 
 <div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">my_utils</span><span class="x">
@@ -223,9 +218,21 @@ <h1 id="-imported-packages"><a href="#header-2"></a> imported packages</h1>
 </span><span class="p">}</span><span class="x">
 </span></code></pre></div></div>
 
-<p>Because my_server is private I can not use Foo(), I can not even access/set the bar variable if I change the my_server to public My_server !!</p>
+<p>At main I try to use it.</p>
+
+<div class="language-golang highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="k">package</span><span class="x"> </span><span class="n">main</span><span class="x">
+</span><span class="k">import</span><span class="x"> </span><span class="s">"my_utils"</span><span class="x">
+
+</span><span class="k">func</span><span class="x"> </span><span class="n">main</span><span class="p">()</span><span class="x"> </span><span class="p">{</span><span class="x">
+     </span><span class="k">var</span><span class="x"> </span><span class="n">y</span><span class="x"> </span><span class="n">my_utils</span><span class="o">.</span><span class="n">my_server</span><span class="x">
+     </span><span class="n">y</span><span class="o">.</span><span class="n">bar</span><span class="x"> </span><span class="o">=</span><span class="x"> </span><span class="s">"not bar"</span><span class="x">
+     </span><span class="n">my_utils</span><span class="o">.</span><span class="n">Foo</span><span class="p">(</span><span class="m">5</span><span class="p">,</span><span class="x"> </span><span class="n">y</span><span class="p">)</span><span class="x">
+</span><span class="p">}</span><span class="x">
+</span></code></pre></div></div>
 
-<p>Now because the my_server is private I can not overwrite the Foo() anymore in my main().</p>
+<p>Because my_server is private I can not use public funtion Foo().
+I can not even access/set the bar variable if I change the my_server to public My_server !!
+Same apply if the private is the this-pointer instance I mentioned at function paragraph.</p>
 
 <p>In C++ you could inherit the whole class (my_utils), and then overwrite the Foo().</p>
 
@@ -245,10 +252,8 @@ <h2 id="-some-whining-about-this-issue"><a href="#header-3"></a> some whining ab
 <p>So I learned <strong>my lesson</strong>, I have to think what members really need be private or use interface in an github project. 
 If I think it is any use to anybody other than just cut and paste code.</p>
 
-<blockquote>
-  <div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>The end so far.
-</code></pre></div>  </div>
-</blockquote>
+<div class="highlighter-rouge"><div class="highlight"><pre class="highlight"><code>The end so far.
+</code></pre></div></div>
 
 <p><a href="http://hits.dwyl.io/apmattil/apmattil.github.io"><img src="http://hits.dwyl.io/apmattil/apmattil.github.io.svg" alt="HitCount" /></a></p>