Ds\Sequence::allocate

(PECL ds >= 1.0.0)

Ds\Sequence::allocateAllocates enough memory for a required capacity

説明

abstract public Ds\Sequence::allocate(int $capacity): void

Ensures that enough memory is allocated for a required capacity. This removes the need to reallocate the internal as values are added.

パラメータ

capacity

The number of values for which capacity should be allocated.

注意:

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

戻り値

値を返しません。

例1 Ds\Sequence::allocate() example

<?php
$sequence 
= new \Ds\Vector();
var_dump($sequence->capacity());

$vector->allocate(100);
var_dump($sequence->capacity());
?>

上の例の出力は、 たとえば以下のようになります。

int(10)
int(100)
関連キーワード:  capacity, required, memory, Allocates, Sequence, Ds, allocate, int, allocated, values