[GitHub] [dubbo-go] LaurenceLiZhixin commented on issue #1321: 为什么使用`func () cluster.LoadBalance` 作为入参?

[GitBox <gi...@apache.org>]

LaurenceLiZhixin commented on issue #1321:
URL: https://github.com/apache/dubbo-go/issues/1321#issuecomment-881827662


   1. 为什么现在这么做：使用工厂函数的原因就是防止一个实例被多次使用，如果用户定义的实例内有map字段，会造成线程安全问题，多个地方都会改动同一个实例也会造成逻辑错乱。
   2. 现有工厂函数并没有提供入参，这的确不好。我认为这一点需要针对3.0重新定义。给一个用户可扩展参数metaadata，类型可以是interface。
   @JiaLiangoooo 您觉得如何。


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