libs/spirit/doc/html/spirit/karma/quick_reference/primitive_generators/auxiliary.html

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  27 <a name="spirit.karma.quick_reference.primitive_generators.auxiliary"></a><a class="link" href="auxiliary.html" title="Auxiliary Generators">Auxiliary
  28           Generators</a>
  29 </h5></div></div></div>
  30 <p>
  31             See here for more information about <a class="link" href="../../reference/auxiliary.html" title="Auxiliary Generators">Auxiliary
  32             Generators</a>.
  33           </p>
  34 <div class="informaltable"><table class="table">
  35 <colgroup>
  36 <col>
  37 <col>
  38 <col>
  39 </colgroup>
  40 <thead><tr>
  41 <th>
  42                     <p>
  43                       Expression
  44                     </p>
  45                   </th>
  46 <th>
  47                     <p>
  48                       Attribute
  49                     </p>
  50                   </th>
  51 <th>
  52                     <p>
  53                       Description
  54                     </p>
  55                   </th>
  56 </tr></thead>
  57 <tbody>
  58 <tr>
  59 <td>
  60                     <p>
  61                       <a class="link" href="../../reference/auxiliary/attr_cast.html" title="Attribute Transformation Pseudo Generator (attr_cast)"><code class="computeroutput"><span class="identifier">attr_cast</span><span class="special">&lt;</span><span class="identifier">Exposed</span><span class="special">&gt;(</span><span class="identifier">a</span><span class="special">)</span></code></a>
  62                     </p>
  63                   </td>
  64 <td>
  65                     <p>
  66                       <code class="computeroutput"><span class="identifier">Exposed</span></code>
  67                     </p>
  68                   </td>
  69 <td>
  70                     <p>
  71                       Invoke <code class="computeroutput"><span class="identifier">a</span></code> while
  72                       supplying an attribute of type <code class="computeroutput"><span class="identifier">Exposed</span></code>.
  73                     </p>
  74                   </td>
  75 </tr>
  76 <tr>
  77 <td>
  78                     <p>
  79                       <a class="link" href="../../reference/auxiliary/eol.html" title="End of Line Generator (eol)"><code class="computeroutput"><span class="identifier">eol</span></code></a>
  80                     </p>
  81                   </td>
  82 <td>
  83                     <p>
  84                       <code class="computeroutput"><span class="identifier">Unused</span></code>
  85                     </p>
  86                   </td>
  87 <td>
  88                     <p>
  89                       Generate the end of line (<code class="computeroutput"><span class="special">\</span><span class="identifier">n</span></code>)
  90                     </p>
  91                   </td>
  92 </tr>
  93 <tr>
  94 <td>
  95                     <p>
  96                       <a class="link" href="../../reference/auxiliary/eps.html" title="Epsilon Generator (eps)"><code class="computeroutput"><span class="identifier">eps</span></code></a>
  97                     </p>
  98                   </td>
  99 <td>
 100                     <p>
 101                       <code class="computeroutput"><span class="identifier">Unused</span></code>
 102                     </p>
 103                   </td>
 104 <td>
 105                     <p>
 106                       Generate an empty string
 107                     </p>
 108                   </td>
 109 </tr>
 110 <tr>
 111 <td>
 112                     <p>
 113                       <a class="link" href="../../reference/auxiliary/eps.html" title="Epsilon Generator (eps)"><code class="computeroutput"><span class="identifier">eps</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code></a>
 114                     </p>
 115                   </td>
 116 <td>
 117                     <p>
 118                       <code class="computeroutput"><span class="identifier">Unused</span></code>
 119                     </p>
 120                   </td>
 121 <td>
 122                     <p>
 123                       If <code class="computeroutput"><span class="identifier">b</span></code> is true,
 124                       generate an empty string
 125                     </p>
 126                   </td>
 127 </tr>
 128 <tr>
 129 <td>
 130                     <p>
 131                       <a class="link" href="../../reference/auxiliary/lazy.html" title="Lazy Generator (lazy)"><code class="computeroutput"><span class="identifier">lazy</span><span class="special">(</span><span class="identifier">fg</span><span class="special">)</span></code></a>
 132                     </p>
 133                   </td>
 134 <td>
 135                     <p>
 136                       Attribute of <code class="computeroutput"><span class="identifier">G</span></code>
 137                       where <code class="computeroutput"><span class="identifier">G</span></code> is
 138                       the return type of <code class="computeroutput"><span class="identifier">fg</span></code>
 139                     </p>
 140                   </td>
 141 <td>
 142                     <p>
 143                       Invoke <code class="computeroutput"><span class="identifier">fg</span></code> at
 144                       generation time, returning a generator <code class="computeroutput"><span class="identifier">g</span></code>
 145                       which is then called to generate.
 146                     </p>
 147                   </td>
 148 </tr>
 149 <tr>
 150 <td>
 151                     <p>
 152                       <a class="link" href="../../reference/auxiliary/lazy.html" title="Lazy Generator (lazy)"><code class="computeroutput"><span class="identifier">fg</span></code></a>
 153                     </p>
 154                   </td>
 155 <td>
 156                     <p>
 157                       see <a class="link" href="../../reference/auxiliary/lazy.html" title="Lazy Generator (lazy)"><code class="computeroutput"><span class="identifier">lazy</span><span class="special">(</span><span class="identifier">fg</span><span class="special">)</span></code></a>
 158                       above
 159                     </p>
 160                   </td>
 161 <td>
 162                     <p>
 163                       Equivalent to <a class="link" href="../../reference/auxiliary/lazy.html" title="Lazy Generator (lazy)"><code class="computeroutput"><span class="identifier">lazy</span><span class="special">(</span><span class="identifier">fg</span><span class="special">)</span></code></a>
 164                     </p>
 165                   </td>
 166 </tr>
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