<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<phpdoc:classref xml:id="class.ds-vector" xmlns:phpdoc="http://php.net/ns/phpdoc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">

 <title>The Vector class</title>
 <titleabbrev>Vector</titleabbrev>

 <partintro>

<!-- {{{ Ds\Vector intro -->
  <section xml:id="ds-vector.intro">
   &reftitle.intro;
   <para>
    A Vector is a sequence of values in a contiguous buffer that grows and
    shrinks automatically. It’s the most efficient sequential structure because
    a value’s index is a direct mapping to its index in the buffer, and the
    growth factor isn't bound to a specific multiple or exponent.
   </para>
  </section>
<!-- }}} -->


<section xml:id="ds-vector.strengths">
    <title xmlns="http://docbook.org/ns/docbook">Strengths</title>
    <para>
        <simplelist>
            <member>Supports array syntax (square brackets).</member>
            <member>Uses less overall memory than an &array; for the same number of values.</member>
            <member>Automatically frees allocated memory when its size drops low enough.</member>
            <member>Capacity does not have to be a power of 2.</member>
            <member>
                <function>get</function>,
                <function>set</function>,
                <function>push</function>,
                <function>pop</function> are all O(1).
            </member>
        </simplelist>
   </para>
</section>

<section xml:id="ds-vector.weaknesses">
    <title xmlns="http://docbook.org/ns/docbook">Weaknesses</title>
    <para>
        <simplelist>
            <member>
                <function>shift</function>,
                <function>unshift</function>,
                <function>insert</function> and
                <function>remove</function> are all O(n).
            </member>
        </simplelist>
   </para>
</section>

  <section xml:id="ds-vector.synopsis">
   &reftitle.classsynopsis;

<!-- {{{ Synopsis -->
   <classsynopsis>
    <ooclass>
        <classname>Ds\Vector</classname>
    </ooclass>

<!-- {{{ Class synopsis -->
    <classsynopsisinfo>

    <ooclass><classname>Ds\Vector</classname></ooclass>
    <oointerface><interfacename>Ds\Sequence</interfacename></oointerface>

    </classsynopsisinfo>
<!-- }}} -->
    <classsynopsisinfo role="comment">Constants</classsynopsisinfo>
    <fieldsynopsis>
     <modifier>const</modifier>
     <type>int</type>
     <varname linkend="ds-vector.constants.min-capacity">Ds\Vector::MIN_CAPACITY</varname>
     <initializer>10</initializer>
    </fieldsynopsis>

    <classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.ds-vector')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis)">
     <xi:fallback/>
    </xi:include>
   </classsynopsis>
<!-- }}} -->

  </section>

<!-- {{{ Ds\Vector constants -->
  <section xml:id="ds-vector.constants">
   &reftitle.constants;
   <variablelist>

    <varlistentry xml:id="ds-vector.constants.min-capacity">
     <term><constant>Ds\Vector::MIN_CAPACITY</constant></term>
     <listitem>
      <para></para>
     </listitem>
    </varlistentry>

   </variablelist>
  </section>
<!-- }}} -->


 </partintro>

 &reference.ds.ds.entities.vector;

</phpdoc:classref>

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