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我收到此错误消息，不知道该怎么办... 错误（TS2345）：不能将类型“等待的T”的参数分配给类型“ T”的参数。   可以使用与“等待的T”无关的任意类型实例化“ T”。 Code as text below -- Click to enlarge image -- #Pop N' Lock Theme by Luxcium ✨ TypeScript code: lib/functional/promise-or-not.ts // ... [more code] export asy...

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我听说过，并且了解了为什么类型转换通常是类层次结构/设计不良的标志，除非它来自您无法控制的外部库。但是，在这种情况下，我完全不确定如何避免这种情况。 I'm designing a little program that executes code based on an abstract tree. All values are derived from a single base class Value. Now I want to add them, so first of all, typechec...

I'm having an issue wherein TypeScript is not exhaustively checking types when the keyof operator is used on types that extend indexable types. So, the normal use-case of the keyof operator would be something like a Pick<T1, T2> type: interface Person { ...