phpstreams\Stream::any PHP Method

    public function any(callable $predicate = null)
    {
        if ($predicate === null) {
            $predicate = Functions::identity();
        }
        foreach ($this as $value) {
            if ($predicate($value)) {
                return true;
            }
        }
        return false;
    }

 public function testAny()
 {
     $this->assertTrue((new Stream([false, false, true, false]))->any());
     $this->assertFalse((new Stream([false, false, false, false]))->any());
     $stream = new Stream([1, 2, 3, 4, 42]);
     $this->assertTrue($stream->any(function ($value) {
         return $value == 42;
     }));
 }