MathPHP\SetTheory\SetOperationsTest::dataProviderForUnionMultipleSets PHP Метод

    public function dataProviderForUnionMultipleSets()
    {
        return [[[1, 2, 3], [2, 3, 4], [3, 4, 5], [1, 2, 3, 4, 5], new Set([1, 2, 3, 4, 5])], [[1, 2, 3, -3, 3.4], [2, 3, 4, new Set()], [3, 4, 5, new Set([1, 2])], [1, 2, 3, 4, 5, -3, 3.4, new Set(), new Set([1, 2])], new Set([1, 2, 3, 4, 5, -3, 3.4, new Set(), new Set([1, 2])])]];
    }