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przemyslawjanpietrzak/readonly.ts

Created December 11, 2018 14:20
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readonly.ts
type ReadonlyObject<A> = { readonly [K in keyof A]: A[K] };
type DeepReadonlyObject<A> = { readonly [K in keyof A]: DeepReadonly<A[K]> }
type X = DeepReadonlyObject<{ key: string, key1: number }>; // { readonly key: any; readonly key1: any; }
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