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type-challenges-solutions/en/medium-partialbykeys #323
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There is a new test case that expects an error interface UserPartialNameAndAge {
name?: string;
age?: number;
address: string;
}
// @ts-expect-error
Expect<Equal<PartialByKeys<User, "name" | "unknown">, UserPartialName>>, This can be solved for my extending K as such type PartialByKeys<T, K extends keyof T = keyof T> = {
...
} |
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PartialByKeys
This project is aimed at helping you better understand how the type system works, writing your own utilities, or just having fun with the challenges.
https://ghaiklor.github.io/type-challenges-solutions/en/medium-partialbykeys.html
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