<?php namespace blah { require_once $GLOBALS['HACKLIB_ROOT']; $v = \HH\Vector::fromItems(array(1, 2, 3)); echo $v->count() . "\n"; $s = \HH\Set::fromKeysOf(\HH\Map::hacklib_new(array("abc"), array("123"))); echo \hacklib_cast_as_boolean($s->contains("abc")) ? "yes it does\n" : "no it doesnt\n"; } namespace { $m = \HH\Map::fromArray(array("foo" => "bar")); echo $m->count() . "\n"; }