Ds\Vector::allocate

(PECL ds >= 1.0.0)

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

˵��

public Ds\Vector::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.

����

capacity

The number of values for which capacity should be allocated.

Note:

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

����ֵ

û�з���ֵ��

����

Example #1 Ds\Vector::allocate() example

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

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

�������̵���������ڣ�

int(10)
int(100)