‘DebugConfig‘ only refers to a type, but is being used as a value here.
错误消息： 试图注入一个值，但实际上DebugConfig被定义成interface，只是一个类型： 将interface替换成abstract class后问题解决： class声明了一个值，也声明了一种类型，你可以把Man赋值给一个变量，所以class是一种值，也可以说imgss是一个Man(类型)，此时Man承担了一种类型的角色。 interface声明了一种类型，但是你不能把dogfood
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相关文章
- 1. Here is how to import a string as a module
- 2. Optional int parameter 'rank' is present but cannot be translated into a null value due to being dec
- 3. Optional long parameter 'userId' is present but cannot be translated into a null value due to being
- 4. Optional int parameter 'version' is present but cannot be translated into a null value due to being
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