ideas are cheap; execution is hard.
So, how can we solve this? One way is to explicitly pass the inner serializer provider as a type parameter directly to SerializeIterator. We will call this pattern higher-order providers, because SerializeIterator now has a generic parameter specifically for the item serializer. With this in place, our SerializeIterator implementation can now require that SerializeItem also implements SerializeImpl, using the iterator's Item as the value type.
。业内人士推荐新收录的资料作为进阶阅读
Nick Quin, chief corporate affairs manager at Link, said: "There's a lack of evidence on what is actually going on with cash acceptance and there's a big risk that we exclude cash users if we don't get this right.
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