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facebook/Haxl: A Haskell library that simplifies access to remote data, such as ...

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称(OpenSource Name):

facebook/Haxl

开源软件地址(OpenSource Url):

https://github.com/facebook/Haxl

开源编程语言(OpenSource Language):

Haskell 100.0%

开源软件介绍(OpenSource Introduction):

Haxl Logo

Haxl

Support Ukraine Build Status

Haxl is a Haskell library that simplifies access to remote data, such as databases or web-based services. Haxl can automatically

  • batch multiple requests to the same data source,
  • request data from multiple data sources concurrently,
  • cache previous requests,
  • memoize computations.

Having all this handled for you behind the scenes means that your data-fetching code can be much cleaner and clearer than it would otherwise be if it had to worry about optimizing data-fetching. We'll give some examples of how this works in the pages linked below.

There are two Haskell packages here:

To use Haxl in your own application, you will likely need to build one or more data sources: the thin layer between Haxl and the data that you want to fetch, be it a database, a web API, a cloud service, or whatever.

There is a generic datasource in "Haxl.DataSource.ConcurrentIO" that can be used for performing arbitrary IO operations concurrently, given a bit of boilerplate to define the IO operations you want to perform.

The haxl-facebook package shows how we might build a Haxl data source based on the existing fb package for talking to the Facebook Graph API.

Where to go next?

Contributing

We welcome contributions! See CONTRIBUTING for details on how to get started, and our Code of Conduct.

License

Haxl uses the BSD 3-clause License, as found in the LICENSE file.




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