定义于：derived.ts:23

• TArr extends ReadonlyArray< | Derived<any> | Store<any>> = ReadonlyArray<any>

• TUnwrappedArr extends UnwrapReadonlyDerivedOrStoreArray<TArr> = UnwrapReadonlyDerivedOrStoreArray<TArr>

currDepVals: TUnwrappedArr;

currDepVals: TUnwrappedArr;

定义于：derived.ts:35

prevDepVals: undefined | TUnwrappedArr;

prevDepVals: undefined | TUnwrappedArr;

定义于：derived.ts:34

prevVal: unknown;

prevVal: unknown;

定义于：derived.ts:33

如果是第一次运行，则为 undefined