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  <title>Class: SuperStruct</title>
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          <td><strong>Class</strong></td>
          <td class="class-name-in-header">SuperStruct</td>
        </tr>
        <tr class="top-aligned-row">
            <td><strong>In:</strong></td>
            <td>
                <a href="../files/lib/carat/sstruct_rb.html">
                lib/carat/sstruct.rb
                </a>
        <br />
            </td>
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            <td><strong>Parent:</strong></td>
            <td>
                <a href="Object.html">
                Object
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    <div id="description">
      <h1><a href="SuperStruct.html">SuperStruct</a></h1>
<p>
This is an easy way to create <a href="Struct.html">Struct</a>-like
classes; it converts easily between hashes and arrays, and it allows
OpenStruct-like dynamic naming of members.
</p>
<p>
Unlike <a href="Struct.html">Struct</a>, it creates a &quot;real&quot;
class, and it has real instance variables with predictable names.
</p>
<p>
A basic limitation is that the hash keys must be legal method names (unless
used with send()).
</p>
<p>
Basically, ss[&quot;alpha&quot;], ss[:alpha], ss[0], and ss.alpha all mean
the same.
</p>
<h2>Usage</h2>
<h2>Author(s)</h2>
<ul>
<li>Hal Fulton

</li>
</ul>
<h2>Legal</h2>
<p>
Ruby License (see incuded file)
</p>

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    <div id="method-list">
      <h3 class="section-bar">Methods</h3>

      <div class="name-list">
      <a href="#M000162">new</a>&nbsp;&nbsp;
      <a href="#M000163">open</a>&nbsp;&nbsp;
      </div>
    </div>

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    <div id="methods">
      <h3 class="section-bar">Public Class methods</h3>

      <div id="method-M000162" class="method-detail">
        <a name="M000162"></a>

        <div class="method-heading">
          <a href="#M000162" class="method-signature">
          <span class="method-name">new</span><span class="method-args">(*args)</span>
          </a>
        </div>
      
        <div class="method-description">
          <p><a class="source-toggle" href="#"
            onclick="toggleCode('M000162-source');return false;">[Source]</a></p>
          <div class="method-source-code" id="M000162-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/sstruct.rb, line 33</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-constant">SuperStruct</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
    <span class="ruby-ivar">@table</span> = []
    <span class="ruby-ivar">@setsyms</span> = []        <span class="ruby-comment cmt"># Setter symbols</span>
    <span class="ruby-identifier">klass</span> = <span class="ruby-constant">Class</span>.<span class="ruby-identifier">new</span>
    <span class="ruby-keyword kw">if</span> (<span class="ruby-identifier">args</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">==</span> <span class="ruby-value">1</span>) <span class="ruby-operator">&amp;&amp;</span> (<span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span> <span class="ruby-constant">Array</span>)
      <span class="ruby-identifier">args</span> = <span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>]
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-identifier">strs</span> = <span class="ruby-identifier">args</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">to_s</span> }
    <span class="ruby-identifier">args</span>.<span class="ruby-identifier">each_with_index</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>,<span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
      <span class="ruby-keyword kw">case</span>
        <span class="ruby-keyword kw">when</span> (<span class="ruby-operator">!</span> [<span class="ruby-constant">String</span>,<span class="ruby-constant">Symbol</span>].<span class="ruby-identifier">include?</span> <span class="ruby-identifier">k</span>.<span class="ruby-identifier">class</span>)
          <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-value str">&quot;Need a String or Symbol&quot;</span>
        <span class="ruby-keyword kw">when</span> (<span class="ruby-identifier">strs</span>[<span class="ruby-identifier">i</span>] <span class="ruby-operator">!~</span> <span class="ruby-regexp re">/[_a-zA-Z][_a-zA-Z0-9]*/</span>)
          <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-value str">&quot;Illegal character&quot;</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">k</span> = <span class="ruby-identifier">k</span>.<span class="ruby-identifier">intern</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">k</span>.<span class="ruby-identifier">is_a?</span> <span class="ruby-constant">String</span>
      <span class="ruby-ivar">@table</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">k</span>
      <span class="ruby-ivar">@setsyms</span> <span class="ruby-operator">&lt;&lt;</span> (<span class="ruby-identifier">k</span>.<span class="ruby-identifier">to_s</span> <span class="ruby-operator">+</span> <span class="ruby-value str">&quot;=&quot;</span>).<span class="ruby-identifier">intern</span>
      <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">instance_eval</span> { <span class="ruby-identifier">attr_accessor</span> <span class="ruby-identifier">k</span> }
    <span class="ruby-keyword kw">end</span>

    <span class="ruby-identifier">setsyms</span> = <span class="ruby-ivar">@setsyms</span>
    <span class="ruby-identifier">table</span>   = <span class="ruby-ivar">@table</span>
    <span class="ruby-identifier">vals</span>    = <span class="ruby-ivar">@vals</span>
    <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">class_eval</span> <span class="ruby-keyword kw">do</span>
      <span class="ruby-identifier">attr_reader</span> <span class="ruby-identifier">:singleton</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:initialize</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-operator">*</span><span class="ruby-identifier">vals</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">n</span> = <span class="ruby-identifier">vals</span>.<span class="ruby-identifier">size</span>
        <span class="ruby-identifier">m</span> = <span class="ruby-identifier">table</span>.<span class="ruby-identifier">size</span>
        <span class="ruby-keyword kw">case</span> 
          <span class="ruby-keyword kw">when</span> <span class="ruby-identifier">n</span> <span class="ruby-operator">&lt;</span> <span class="ruby-identifier">m</span>
            <span class="ruby-comment cmt"># raise ArgumentError, &quot;Too few arguments (#{n} for #{m})&quot;</span>
            <span class="ruby-comment cmt"># Never mind... extra variables will just be nil</span>
          <span class="ruby-keyword kw">when</span> <span class="ruby-identifier">n</span> <span class="ruby-operator">&gt;</span> <span class="ruby-identifier">m</span>
            <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">&quot;Too many arguments (#{n} for #{m})&quot;</span>
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-identifier">setsyms</span>.<span class="ruby-identifier">each_with_index</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">var</span>,<span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
          <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">var</span>,<span class="ruby-identifier">vals</span>[<span class="ruby-identifier">i</span>])
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:pretty_print</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">q</span><span class="ruby-operator">|</span>  <span class="ruby-comment cmt"># pp.rb support</span>
        <span class="ruby-identifier">q</span>.<span class="ruby-identifier">object_group</span>(<span class="ruby-keyword kw">self</span>) <span class="ruby-keyword kw">do</span>
          <span class="ruby-identifier">q</span>.<span class="ruby-identifier">seplist</span>(<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">members</span>, <span class="ruby-identifier">proc</span> { <span class="ruby-identifier">q</span>.<span class="ruby-identifier">text</span> <span class="ruby-value str">&quot;,&quot;</span> }) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">member</span><span class="ruby-operator">|</span>
<span class="ruby-comment cmt">#         self.members.each do |member|</span>
<span class="ruby-comment cmt">#           q.text &quot;,&quot;  # unless q.first?</span>
            <span class="ruby-identifier">q</span>.<span class="ruby-identifier">breakable</span>
            <span class="ruby-identifier">q</span>.<span class="ruby-identifier">text</span> <span class="ruby-identifier">member</span>.<span class="ruby-identifier">to_s</span>
            <span class="ruby-identifier">q</span>.<span class="ruby-identifier">text</span> <span class="ruby-value str">'='</span>
            <span class="ruby-identifier">q</span>.<span class="ruby-identifier">group</span>(<span class="ruby-value">1</span>) <span class="ruby-keyword kw">do</span>
              <span class="ruby-identifier">q</span>.<span class="ruby-identifier">breakable</span> <span class="ruby-value str">''</span>
              <span class="ruby-identifier">q</span>.<span class="ruby-identifier">pp</span> <span class="ruby-keyword kw">self</span>[<span class="ruby-identifier">member</span>]
            <span class="ruby-keyword kw">end</span>
          <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:inspect</span>) <span class="ruby-keyword kw">do</span>
        <span class="ruby-identifier">str</span> = <span class="ruby-node">&quot;#&lt;#{self.class}:&quot;</span>
        <span class="ruby-identifier">table</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">item</span><span class="ruby-operator">|</span> <span class="ruby-identifier">str</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-node">&quot; #{item}=#{self.send(item)}&quot;</span> }
        <span class="ruby-identifier">str</span> <span class="ruby-operator">+</span> <span class="ruby-value str">&quot;&gt;&quot;</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:[]</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-operator">*</span><span class="ruby-identifier">index</span><span class="ruby-operator">|</span>
        <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">index</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">class</span> }
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">Fixnum</span>]
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">table</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">index</span>])
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">Fixnum</span>,<span class="ruby-constant">Fixnum</span>], [<span class="ruby-constant">Range</span>]
            <span class="ruby-identifier">table</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">index</span>].<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">x</span>)}
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">String</span>]
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">index</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">intern</span>)
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">Symbol</span>]
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">index</span>[<span class="ruby-value">0</span>])
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>,<span class="ruby-value str">&quot;Illegal index&quot;</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:[]=</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-operator">*</span><span class="ruby-identifier">index</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">value</span> = <span class="ruby-identifier">index</span>[<span class="ruby-value">-1</span>]
        <span class="ruby-identifier">index</span> = <span class="ruby-identifier">index</span>[<span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-value">-2</span>]
        <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">index</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">class</span> }
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">Fixnum</span>]
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">table</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">index</span>])
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">Fixnum</span>,<span class="ruby-constant">Fixnum</span>], [<span class="ruby-constant">Range</span>]
            <span class="ruby-identifier">setsyms</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">index</span>].<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">x</span>,<span class="ruby-identifier">value</span>) }
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">String</span>]
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">index</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">intern</span>,<span class="ruby-identifier">value</span>)
          <span class="ruby-keyword kw">when</span> [<span class="ruby-constant">Symbol</span>]
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">index</span>[<span class="ruby-value">0</span>],<span class="ruby-identifier">value</span>)
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>,<span class="ruby-value str">&quot;Illegal index&quot;</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:to_a</span>)    { <span class="ruby-identifier">table</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">eval</span>(<span class="ruby-value str">&quot;@&quot;</span><span class="ruby-operator">+</span><span class="ruby-identifier">x</span>.<span class="ruby-identifier">to_s</span>) } }
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:to_ary</span>)  { <span class="ruby-identifier">to_a</span> }
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:members</span>) { <span class="ruby-identifier">table</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">to_s</span> } }
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:to_struct</span>) <span class="ruby-keyword kw">do</span>
        <span class="ruby-identifier">mems</span> = <span class="ruby-identifier">table</span>
        <span class="ruby-constant">Struct</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value str">&quot;TEMP&quot;</span>,<span class="ruby-operator">*</span><span class="ruby-identifier">mems</span>)
        <span class="ruby-comment cmt"># Struct::TEMP.new(*vals) # Why doesn't this work??</span>
        <span class="ruby-identifier">data</span> = <span class="ruby-identifier">mems</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">x</span>) }
        <span class="ruby-constant">Struct</span><span class="ruby-operator">::</span><span class="ruby-constant">TEMP</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">data</span>)
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:to_hash</span>) <span class="ruby-keyword kw">do</span>
        <span class="ruby-identifier">hash</span> = {}
        <span class="ruby-identifier">table</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">mem</span><span class="ruby-operator">|</span>
          <span class="ruby-identifier">mem</span> = <span class="ruby-identifier">mem</span>.<span class="ruby-identifier">to_s</span>
          <span class="ruby-identifier">hash</span>.<span class="ruby-identifier">update</span>(<span class="ruby-identifier">mem</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">mem</span>))
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-identifier">hash</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:set</span>) {<span class="ruby-operator">|</span><span class="ruby-identifier">h</span><span class="ruby-operator">|</span> <span class="ruby-identifier">h</span>.<span class="ruby-identifier">each_pair</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">k</span>,<span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">send</span>(<span class="ruby-identifier">k</span>.<span class="ruby-identifier">to_s</span><span class="ruby-operator">+</span><span class="ruby-value str">&quot;=&quot;</span>,<span class="ruby-identifier">v</span>) } }

      <span class="ruby-comment cmt"># Class methods...</span>

      <span class="ruby-ivar">@singleton</span> = <span class="ruby-keyword kw">class</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-keyword kw">self</span>
        <span class="ruby-keyword kw">self</span>
      <span class="ruby-keyword kw">end</span>

      <span class="ruby-ivar">@singleton</span>.<span class="ruby-identifier">instance_eval</span> <span class="ruby-keyword kw">do</span>
        <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:members</span>) <span class="ruby-keyword kw">do</span> 
          <span class="ruby-identifier">table</span>.<span class="ruby-identifier">map</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">x</span>.<span class="ruby-identifier">to_s</span> }
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-identifier">me</span> = <span class="ruby-keyword kw">self</span>
        <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:attr_tester</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-operator">*</span><span class="ruby-identifier">syms</span><span class="ruby-operator">|</span> 
          <span class="ruby-identifier">syms</span>.<span class="ruby-identifier">each</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">sym</span><span class="ruby-operator">|</span> <span class="ruby-identifier">alias_method</span>(<span class="ruby-identifier">sym</span>.<span class="ruby-identifier">to_s</span><span class="ruby-operator">+</span><span class="ruby-value str">&quot;?&quot;</span>,<span class="ruby-identifier">sym</span>) }
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>

    <span class="ruby-keyword kw">end</span>
    <span class="ruby-identifier">klass</span>
  <span class="ruby-keyword kw">end</span>
</pre>
          </div>
        </div>
      </div>

      <div id="method-M000163" class="method-detail">
        <a name="M000163"></a>

        <div class="method-heading">
          <a href="#M000163" class="method-signature">
          <span class="method-name">open</span><span class="method-args">(*args)</span>
          </a>
        </div>
      
        <div class="method-description">
          <p><a class="source-toggle" href="#"
            onclick="toggleCode('M000163-source');return false;">[Source]</a></p>
          <div class="method-source-code" id="M000163-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/sstruct.rb, line 164</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-constant">SuperStruct</span>.<span class="ruby-identifier">open</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
    <span class="ruby-identifier">klass</span> = <span class="ruby-constant">SuperStruct</span>.<span class="ruby-identifier">new</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
    <span class="ruby-identifier">table</span> = <span class="ruby-ivar">@table</span>
    <span class="ruby-identifier">setsyms</span> = <span class="ruby-ivar">@setsyms</span>
    <span class="ruby-identifier">table</span> = <span class="ruby-ivar">@table</span>
    <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">class_eval</span> <span class="ruby-keyword kw">do</span>
      <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">:method_missing</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">meth</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">args</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">mname</span> = <span class="ruby-identifier">meth</span>.<span class="ruby-identifier">id2name</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">mname</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/=$/</span>
          <span class="ruby-identifier">getter</span> = <span class="ruby-identifier">mname</span>.<span class="ruby-identifier">chop</span>
          <span class="ruby-identifier">setter</span> = <span class="ruby-identifier">mname</span>
        <span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">mname</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp re">/\?$/</span>
          <span class="ruby-identifier">raise</span> <span class="ruby-constant">NoMethodError</span>  <span class="ruby-comment cmt"># ?-methods are not created automatically</span>
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">getter</span> = <span class="ruby-identifier">mname</span>
          <span class="ruby-identifier">setter</span> = <span class="ruby-identifier">mname</span> <span class="ruby-operator">+</span> <span class="ruby-value str">&quot;=&quot;</span>
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-identifier">gsym</span> = <span class="ruby-identifier">getter</span>.<span class="ruby-identifier">intern</span>
        <span class="ruby-identifier">ssym</span> = <span class="ruby-identifier">setter</span>.<span class="ruby-identifier">intern</span>
        <span class="ruby-identifier">ivar</span> = <span class="ruby-value str">&quot;@&quot;</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">getter</span>
        <span class="ruby-identifier">setsyms</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">setter</span>
        <span class="ruby-identifier">table</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">getter</span>
        <span class="ruby-identifier">len</span> = <span class="ruby-identifier">args</span>.<span class="ruby-identifier">length</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">mname</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">getter</span>
          <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">class_eval</span> <span class="ruby-keyword kw">do</span>                 <span class="ruby-comment cmt"># getter</span>
            <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">getter</span>) <span class="ruby-keyword kw">do</span>
              <span class="ruby-identifier">instance_variable_get</span>(<span class="ruby-identifier">ivar</span>)
            <span class="ruby-keyword kw">end</span>
          <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">klass</span>.<span class="ruby-identifier">class_eval</span> <span class="ruby-keyword kw">do</span>                 <span class="ruby-comment cmt"># setter</span>
            <span class="ruby-identifier">define_method</span>(<span class="ruby-identifier">setter</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-operator">*</span><span class="ruby-identifier">args</span><span class="ruby-operator">|</span>
              <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">len</span> <span class="ruby-operator">!=</span> <span class="ruby-value">1</span>
                <span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">&quot;Wrong # of arguments (#{len} for 1)&quot;</span>, 
                      <span class="ruby-identifier">caller</span>(<span class="ruby-value">1</span>)
              <span class="ruby-keyword kw">end</span>
              <span class="ruby-identifier">instance_variable_set</span>(<span class="ruby-identifier">ivar</span>,<span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>])
              <span class="ruby-identifier">instance_variable_get</span>(<span class="ruby-identifier">ivar</span>)
            <span class="ruby-keyword kw">end</span>
          <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">mname</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">setter</span>
          <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">setter</span>,<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">len</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span>
            <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">getter</span>)
          <span class="ruby-keyword kw">else</span>
            <span class="ruby-identifier">raise</span> <span class="ruby-constant">NoMethodError</span>, <span class="ruby-node">&quot;Undefined method '#{mname}' for #{self}&quot;</span>, 
                  <span class="ruby-identifier">caller</span>(<span class="ruby-value">1</span>)
          <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-identifier">klass</span>
  <span class="ruby-keyword kw">end</span>
</pre>
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