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<?php
namespace Prelude\Tests;
use function Prelude\filter;
use function Prelude\equals;
class FilterTest extends \PHPUnit\Framework\TestCase
{
/**
* @test
*/
public function shouldReturnJustTrueValues()
$names = ['James' => true, 'Kirk' => false];
$istrue = filter(equals(true));
$this->assertEquals(['James' => true], $istrue($names));
}