variant-imp.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.variant-imp" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>variant_imp</refname>
  <refpurpose>Побитовая импликация над двумя вариантами</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>variant</type><methodname>variant_imp</methodname>
   <methodparam><type>mixed</type><parameter>left</parameter></methodparam>
   <methodparam><type>mixed</type><parameter>right</parameter></methodparam>
  </methodsynopsis>
  <para>
   Побитовая импликация над двумя вариантами.
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>left</parameter></term>
     <listitem>
      <para>
       Левый операнд.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>right</parameter></term>
     <listitem>
      <para>
       Правый операнд.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
   &com.variant-arith;
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <table>
    <title>Таблица импликации вариантов</title>
    <tgroup cols="3">
     <thead>
      <row>
       <entry>Если <parameter>left</parameter></entry>
       <entry>Если <parameter>right</parameter></entry>
       <entry>Тогда результат</entry>
      </row>
     </thead>
     <tbody>
      <row><entry>&true;</entry><entry>&true;</entry><entry>&true;</entry></row>
      <row><entry>&true;</entry><entry>&false;</entry><entry>&false;</entry></row>
      <row><entry>&true;</entry><entry>&null;</entry><entry>&true;</entry></row>
      <row><entry>&false;</entry><entry>&true;</entry><entry>&true;</entry></row>
      <row><entry>&false;</entry><entry>&false;</entry><entry>&true;</entry></row>
      <row><entry>&false;</entry><entry>&null;</entry><entry>&true;</entry></row>
      <row><entry>&null;</entry><entry>&true;</entry><entry>&true;</entry></row>
      <row><entry>&null;</entry><entry>&false;</entry><entry>&null;</entry></row>
      <row><entry>&null;</entry><entry>&null;</entry><entry>&null;</entry></row>
     </tbody>
    </tgroup>
   </table>
  </para>
 </refsect1>

 <refsect1 role="errors">
  &reftitle.errors;
   <para>
    Выбрасывает исключение <classname>com_exception</classname> в случае возникновения ошибки.
   </para>
 </refsect1>

</refentry>
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