Allocates enough memory for a required capacity

# Ds\Set::allocate

(PECL ds >= 1.0.0)

Ds\Set::allocate — Allocates enough memory for a required capacity

### Beschreibung

public function Ds\Set::allocate(int `$capacity`): void

Allocates enough memory for a required capacity.

### Parameter-Liste

`capacity`

  The number of values for which capacity should be allocated.

  > Hinweis:

  > Capacity will stay the same if this value is less than or equal to the current capacity.

  > Hinweis:

  > Capacity will always be rounded up to the nearest power of 2.

### Rückgabewerte

Es wird kein Wert zurückgegeben.

### Beispiele

Beispiel #1 Ds\Set::allocate() example

    <?php
    $set = new \Ds\Set();
    var_dump($set->capacity());

    $set->allocate(100);
    var_dump($set->capacity());
    ?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

    int(16)
    int(128)

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