Test.groovy

package com.doublescoring.socredit


class Customer {
	List<Order> orders;
}

class Order {
	List<String> products;
}

println([new Customer(orders: [new Order(products: ["гавно", "шлак"])])]
		.collectMany { it.orders }
		.collectMany { it.products }
		.findAll { it != "гавно" }
		.size()
)