Примеры

<?php
$vector = new \Ds\Vector();
$vector->push('a');
$vector->push('b', 'c');
$vector[] = 'd';
print_r($vector);
?>

Ds\Vector Object
(
 [0] => a
 [1] => b
 [2] => c
 [3] => d
)

<?php
$map = new \Ds\Map();
$map->put('a', 1);
$map->put('b', 2);
$map['c'] = 3;
print_r($map);
?>

Ds\Map Object
(
 [0] => Ds\Pair Object
 (
 [key] => a
 [value] => 1
 )
 [1] => Ds\Pair Object
 (
 [key] => b
 [value] => 2
 )
 [2] => Ds\Pair Object
 (
 [key] => c
 [value] => 3
 )
)