---
title: "Discussion on \"An implementation to general HashMap based CRC64（by golang）\" | Hashnode"
description: "Discussion on \"An implementation to general HashMap based CRC64（by golang）\". introduction\nAs who have studied data structure knows, hashing  is best fast way to look up a data. The cost of it is just some spaces. The time compexity is \\(O(1)\\).\nHere's how it works：\n\nFirst, we need to define a hash function ，which functions to..."
url: "https://hashnode.com/posts/an-implementation-to-general-hashmap-based-crc64by-golang/63283fe999624fc71cd51464"
---

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# [An implementation to general HashMap based CRC64（by golang）](https://xue1.top/an-implementation-to-general-hashmap-based-crc64by-golang?utm_source=hashnode&utm_medium=feed)

introduction As who have studied data structure knows, hashing is best fast way to look up a data. The cost of it is just some spaces. The time compexity is \\(O(1)\\). Here's how it works： First, we need to define a hash function ，which functions to...

Sep 19, 2022 · 7 min read · xue1.top  
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[Yuanfei Yang](https://hashnode.com/@yuanfei)

@yuanfei · Beijing, China

  
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