function it_converts_nested_sets_to_pg($converter)
    {
        $this->setType('decimal', $converter);

        $this->toPg([[3.14159265359], [1.66180339887]], 'decimal[][]')->shouldBeLike(new Set(
            [
                new Set(
                    [
                        new Value('3.14159265359', new Type('decimal'))
                    ],
                    new ArrayType(new Type('decimal'))
                ),
                new Set(
                    [
                        new Value('1.66180339887', new Type('decimal'))
                    ],
                    new ArrayType(new Type('decimal'))
                )
            ],
            new ArrayType(new ArrayType(new Type('decimal')))
        ));
    }