help/info/superset.html

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  32 <h1>superset</h1>
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  34 <p>The keyword is only used in conjunction with <font face="Courier New"><b>template</b></font> definition. It denotes the matching mechanism where the incoming field <a
  35   href="template.html#superset">must contain all</a> elements defined in the value list of subset, and may contain others. It is applicable to fields of <font face="Courier New" size="4"><b>set</b></font>
  36 <font face="Courier New" size="4"><b>of</b></font> types only.
  37 <hr align="left" width="50%">
  38 <p>Related keyword:</p>
  39 <ul>
  40   <li><a href="template.html"><b><font face="Courier New" color="#003258" size="4">template</font></b></a></li>
  41 </ul>
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  47     <td width="100%">
  48     <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>superset(</b></font><i>value_list</i><font face="Courier New" color="#003258" size="5"><b>)</b></font></h3>
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  54 <ul>
  55   <li>
  56   <p><i>value_list</i> is a comma separated list containing all the values that the concerned field must contain. The field may contain elements not included in the list.</p>
  57   </li>
  58 </ul>
  59 <hr align="left" width="50%">
  60 <p><a name="Example 1">Example 1</a>
  61 <font face="Courier New">
  62         <p>type set of integer MySetOfType (0 .. 10);
  63         <p>template MySetOfType MyTemplate1 := superset (1, 2, 3);
  64 </font>
  65 <p>Matches any sequence of integers which contains at least one occurrences of the numbers 1, 2 and at least one more valid integer value
  66 (i.e. between 0 and 10, inclusively), in any order and position.</p>
  67 <p><a name="Example 2">Example 2</a>
  68 <font face="Courier New">
  69         <p>template MySetOfType MyTemplate2_AnyValue := superset (1, 2, ?);
  70 </font>
  71 <p>Matches any sequence of integers which contains at least one occurrences of the numbers 1, 2 and at least one more valid integer value.</p>
  72 <p><a name="Example 3">Example 3</a>
  73 <font face="Courier New">
  74         <p>type record of integer RoI;
  75         <p>type set of integer SoI;
  76         <p>template RoI t_RoI1 := {1, 2, ?};
  77         <p>template SoI t_SoI1 := superset(all from t_RoI1);
  78 </font>
  79 <p>Results in superset(1, 2, ?) .</p>
  80 <p><a HREF="BNF.html#supersetmatch">BNF definition</a> of <font face="Courier New">superset</font></p>
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