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<div id="class.ds-vector" class="reference">

 <h1 class="title">La clase Vector</h1>
 

 <div class="partintro"><p class="verinfo">(PECL ds &gt;= 1.0.0)</p>


  <div class="section" id="ds-vector.intro">
   <h2 class="title">Introducción</h2>
   <p class="para">
    Un Vector es una secuencia de valores en un buffer que crece y se encoge automáticamente. Esta es la más eficiente estructura secuencial debido a que el índice de un valor es un mapeo directo a su índice en el buffer, y el factor de crecimiento no está ligado a un multiplo o exponente específico.
   </p>
  </div>



<div class="section" id="ds-vector.strengths">
    <h2 class="title">Fortalezas</h2>
    <p class="para">
        <ul class="simplelist">
            <li>Soporta la sintaxis array (corchetes).</li>
            <li>Usa menos memoria general que un <span class="type"><a href="language.types.array.php" class="type array">array</a></span> para el mismo número de valores.</li>
            <li>Automáticamente libera la memoria asignada cuando su tamaño cae lo suficientemente bajo.</li>
            <li>La capacidad no tiene que ser una potencia de 2.</li>
            <li>
                <span class="function"><strong>get()</strong></span>,
                <span class="function"><strong>set()</strong></span>,
                <span class="function"><strong>push()</strong></span>,
                <span class="function"><strong>pop()</strong></span> son todos O(1).
            </li>
        </ul>
   </p>
</div>

<div class="section" id="ds-vector.weaknesses">
    <h2 class="title">Debilidades</h2>
    <p class="para">
        <ul class="simplelist">
            <li>
                <span class="function"><strong>shift()</strong></span>,
                <span class="function"><strong>unshift()</strong></span>,
                <span class="function"><strong>insert()</strong></span> y
                <span class="function"><strong>remove()</strong></span> son todos O(n).
            </li>
        </ul>
   </p>
</div>

  <div class="section" id="ds-vector.synopsis">
   <h2 class="title">Sinopsis de la Clase</h2>

   
   <div class="classsynopsis">
    <span class="ooclass">
     <strong class="classname"></strong>
    </span>

    
    <div class="classsynopsisinfo">

     <span class="ooclass"><span class="modifier">class</span> <strong class="classname">Ds\Vector</strong></span>
     <span class="oointerface"><span class="modifier">implements</span>  <a href="class.ds-sequence.php" class="interfacename">Ds\Sequence</a></span><span class="oointerface">,  <a href="class.arrayaccess.php" class="interfacename">ArrayAccess</a></span> {</div>
    
    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Constantes */</div>
    <div class="fieldsynopsis">
     <span class="modifier">const</span>
     <span class="type"><a href="language.types.integer.php" class="type int">int</a></span>
      <var class="fieldsynopsis_varname"><a href="class.ds-vector.php#ds-vector.constants.min-capacity"><var class="varname">MIN_CAPACITY</var></a></var><span class="initializer"> = 8</span>;</div>


    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Métodos */</div>
    <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="ds-vector.allocate.php" class="methodname">allocate</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$capacity</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.apply.php" class="methodname">apply</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.capacity.php" class="methodname">capacity</a></span>(): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.clear.php" class="methodname">clear</a></span>(): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.contains.php" class="methodname">contains</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">...$values</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.copy.php" class="methodname">copy</a></span>(): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.filter.php" class="methodname">filter</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.find.php" class="methodname">find</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.first.php" class="methodname">first</a></span>(): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.get.php" class="methodname">get</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$index</code></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.insert.php" class="methodname">insert</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$index</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">...$values</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.isempty.php" class="methodname">isEmpty</a></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.join.php" class="methodname">join</a></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$glue</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.last.php" class="methodname">last</a></span>(): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.map.php" class="methodname">map</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.merge.php" class="methodname">merge</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$values</code></span>): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.pop.php" class="methodname">pop</a></span>(): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.push.php" class="methodname">push</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">...$values</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.reduce.php" class="methodname">reduce</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$initial</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.remove.php" class="methodname">remove</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$index</code></span>): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.reverse.php" class="methodname">reverse</a></span>(): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.reversed.php" class="methodname">reversed</a></span>(): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.rotate.php" class="methodname">rotate</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$rotations</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.set.php" class="methodname">set</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$index</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.shift.php" class="methodname">shift</a></span>(): <span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.slice.php" class="methodname">slice</a></span>(<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$index</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$length</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.sort.php" class="methodname">sort</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$comparator</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.sorted.php" class="methodname">sorted</a></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$comparator</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.ds-vector.php" class="type Ds\Vector">Ds\Vector</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.sum.php" class="methodname">sum</a></span>(): <span class="type"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span>|<span class="type"><a href="language.types.float.php" class="type float">float</a></span></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.toarray.php" class="methodname">toArray</a></span>(): <span class="type"><a href="language.types.array.php" class="type array">array</a></span></div>
<div class="methodsynopsis dc-description"><span class="modifier">public</span> <span class="methodname"><a href="ds-vector.unshift.php" class="methodname">unshift</a></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$values</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.void.php" class="type void">void</a></span></div>

   }</div>
   

  </div>

  
  <div class="section" id="ds-vector.constants">
   <h2 class="title">Constantes predefinidas</h2>
   <dl>

    
     <dt id="ds-vector.constants.min-capacity"><strong><code><a href="class.ds-vector.php#ds-vector.constants.min-capacity">Ds\Vector::MIN_CAPACITY</a></code></strong></dt>
     <dd>
      <p class="para"/>
     </dd>
    

   </dl>
  </div>
  

  <div class="section">
   <h2 class="title">Historial de cambios</h2>
   <p class="para">
    <table class="doctable informaltable">
     
      <thead>
       <tr>
        <th>Versión</th>
        <th>Descripción</th>
       </tr>

      </thead>

      <tbody class="tbody">
       <tr>
        <td>PECL ds 1.3.0</td>
        <td>
         La clase ahora implementa <span class="classname"><a href="class.arrayaccess.php" class="classname">ArrayAccess</a></span>.
        </td>
       </tr>

       <tr>
        <td>PECL ds 1.2.0</td>
        <td>
         <strong><code><a href="class.ds-vector.php#ds-vector.constants.min-capacity">Ds\Vector::MIN_CAPACITY</a></code></strong> cambió de 10 a 8.
        </td>
       </tr>

      </tbody>
     
    </table>

   </p>
  </div>

 </div>

 















































































































































































































































<h2>Tabla de contenidos</h2><ul class="chunklist chunklist_reference"><li><a href="ds-vector.allocate.php">Ds\Vector::allocate</a> — Asigna suficiente memoria para una capacidad requerida</li><li><a href="ds-vector.apply.php">Ds\Vector::apply</a> — Cambia todos los valores aplicando una funci&oacute;n de retrollamada a cada valor</li><li><a href="ds-vector.capacity.php">Ds\Vector::capacity</a> — Devuelve la capacidad actual</li><li><a href="ds-vector.clear.php">Ds\Vector::clear</a> — Elimina todos los valores</li><li><a href="ds-vector.construct.php">Ds\Vector::__construct</a> — Crea una nueva instancia</li><li><a href="ds-vector.contains.php">Ds\Vector::contains</a> — Determina si el vector contiene valores dados</li><li><a href="ds-vector.copy.php">Ds\Vector::copy</a> — Devuelve una copia superficial del vector</li><li><a href="ds-vector.count.php">Ds\Vector::count</a> — Devuelve el n&uacute;mero de valores en la colecci&oacute;n</li><li><a href="ds-vector.filter.php">Ds\Vector::filter</a> — Crear un nuevo vector utilizando un callable para
    determinar qu&eacute; valores incluir</li><li><a href="ds-vector.find.php">Ds\Vector::find</a> — Intenta encontrar el &iacute;ndice de un valor.</li><li><a href="ds-vector.first.php">Ds\Vector::first</a> — Devuelve el primer valor en el vector</li><li><a href="ds-vector.get.php">Ds\Vector::get</a> — Devuelve el valor en un &iacute;ndice dado</li><li><a href="ds-vector.insert.php">Ds\Vector::insert</a> — Inserta valores en un &iacute;ndice dado</li><li><a href="ds-vector.isempty.php">Ds\Vector::isEmpty</a> — Indica si el vector est&aacute; vac&iacute;o</li><li><a href="ds-vector.join.php">Ds\Vector::join</a> — Re&uacute;ne todos los valores en un string</li><li><a href="ds-vector.jsonserialize.php">Ds\Vector::jsonSerialize</a> — Devuelve una representaci&oacute;n que puede ser convertida en JSON</li><li><a href="ds-vector.last.php">Ds\Vector::last</a> — Devuelve el &uacute;ltimo valor</li><li><a href="ds-vector.map.php">Ds\Vector::map</a> — Devuelve el resultado de la aplicaci&oacute;n de una retrollamada a cada valor</li><li><a href="ds-vector.merge.php">Ds\Vector::merge</a> — Devuelve el resultado de la adici&oacute;n de todos los valores dados al vector</li><li><a href="ds-vector.pop.php">Ds\Vector::pop</a> — Elimina y devuelve el &uacute;ltimo valor</li><li><a href="ds-vector.push.php">Ds\Vector::push</a> — A&ntilde;ade valores al final del vector</li><li><a href="ds-vector.reduce.php">Ds\Vector::reduce</a> — Reduce el vector a un solo valor utilizando una retrollamada</li><li><a href="ds-vector.remove.php">Ds\Vector::remove</a> — Elimina y devuelve un valor por &iacute;ndice</li><li><a href="ds-vector.reverse.php">Ds\Vector::reverse</a> — Invertir el vector en su lugar</li><li><a href="ds-vector.reversed.php">Ds\Vector::reversed</a> — Devuelve una copia invertida</li><li><a href="ds-vector.rotate.php">Ds\Vector::rotate</a> — Rota el vector un cierto n&uacute;mero de rotaciones</li><li><a href="ds-vector.set.php">Ds\Vector::set</a> — Cambia un valor en un &iacute;ndice dado</li><li><a href="ds-vector.shift.php">Ds\Vector::shift</a> — Elimina y devuelve el primer valor</li><li><a href="ds-vector.slice.php">Ds\Vector::slice</a> — Devuelve un sub-vector de un rango dado</li><li><a href="ds-vector.sort.php">Ds\Vector::sort</a> — Ordena el vector en su lugar</li><li><a href="ds-vector.sorted.php">Ds\Vector::sorted</a> — Devuelve una copia ordenada</li><li><a href="ds-vector.sum.php">Ds\Vector::sum</a> — Devuelve la suma de todos los valores del vector</li><li><a href="ds-vector.toarray.php">Ds\Vector::toArray</a> — Convierte el vector en array</li><li><a href="ds-vector.unshift.php">Ds\Vector::unshift</a> — A&ntilde;ade valores al inicio del vector</li></ul>
</div>
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