8000 Should 'Partial<T>' and Readonly<T> should have their type parameters constrained to 'object'? · Issue #14249 · microsoft/TypeScript · GitHub
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Should 'Partial<T>' and Readonly<T> should have their type parameters constrained to 'object'? #14249
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Should 'Partial<T>' and Readonly<T> should have their type parameters constrained to 'object'?#14249
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DeclinedThe issue was declined as something which matches the TypeScript visionSuggestionAn idea for TypeScript
@DanielRosenwasser

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@DanielRosenwasser
DanielRosenwasser
opened on Feb 22, 2017

Given #14224, I think that Partial should be defined as follows:

type Partial<T extends object> = {
    [K in keyof T]?: T[K]
}

Readonly could be defined similarly.

I don't necessarily know if Pick should be defined that way. Part of me thinks that this Pick has a different intent.

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