File: Kernel.html

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    <title>Module: Kernel</title>
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  <table width="100%" border='0' cellpadding='0' cellspacing='0' class='banner'><tr>
  <td class="file-title"><span class="file-title-prefix">Module</span><br />Kernel</td>
  <td align="right">
    <table cellspacing=0 cellpadding=2>
      <tr valign="top">
        <td>In:</td>
        <td>
<a href="../files/lib/sqlite3/driver/dl/driver_rb.html">lib/sqlite3/driver/dl/driver.rb</a>
        </td>
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  <div class="sectiontitle">Methods</div>
  <ul>
  <li><a href="#M000142">to_ptr</a></li>
  </ul>






<div class="sectiontitle">Public Instance methods</div>
<div class="method">
  <div class="title">
    <a name="M000142"></a><b>to_ptr</b>()
  </div>
  <div class="description">
  <p>
Allows arbitrary objects to be passed as a pointer to functions. (Probably
not very GC safe, but by encapsulating it like this we can change the
implementation later.)
</p>
  </div>
<div class="sourcecode">
  <p class="source-link">[ <a href="javascript:toggleSource('M000142_source')" id="l_M000142_source">show source</a> ]</p>
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<pre>
    <span class="ruby-comment cmt"># File lib/sqlite3/driver/dl/driver.rb, line 11</span>
11:   <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_ptr</span>
12:     <span class="ruby-identifier">ptr</span> = <span class="ruby-constant">DL</span>.<span class="ruby-identifier">malloc</span>(<span class="ruby-constant">DL</span>.<span class="ruby-identifier">sizeof</span>(<span class="ruby-value str">&quot;L&quot;</span>))
13:     <span class="ruby-identifier">ptr</span>.<span class="ruby-identifier">set_object</span> <span class="ruby-keyword kw">self</span>
14:     <span class="ruby-identifier">ptr</span>
15:   <span class="ruby-keyword kw">end</span>
</pre>
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