‘DebugConfig‘ only refers to a type, but is being used as a value here.
錯誤消息： 試圖注入一個值，但實際上DebugConfig被定義成interface，只是一個類型： 將interface替換成abstract class後問題解決： class聲明瞭一個值，也聲明瞭一種類型，你可以把Man賦值給一個變量，所以class是一種值，也可以說imgss是一個Man(類型)，此時Man承擔了一種類型的角色。 interface聲明瞭一種類型，但是你不能把dogfood
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相關文章
- 1. Here is how to import a string as a module
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