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Last change
on this file since d24f17c was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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Initial commit
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| 1 | import { Equals } from '../Any/Equals';
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| 2 | /**
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| 3 | * @hidden
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| 4 | */
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| 5 | export declare type _ReadonlyKeys<O extends object> = {
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| 6 | [K in keyof O]-?: {
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| 7 | 1: never;
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| 8 | 0: K;
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| 9 | }[Equals<{
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| 10 | -readonly [Q in K]: O[K];
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| 11 | }, {
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| 12 | [Q in K]: O[K];
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| 13 | }>];
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| 14 | }[keyof O];
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| 15 | /**
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| 16 | * Get the keys of `O` that are readonly
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| 17 | * @param O
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| 18 | * @returns [[Key]]
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| 19 | * @example
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| 20 | * ```ts
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| 21 | * ```
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| 22 | */
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| 23 | export declare type ReadonlyKeys<O extends object> = O extends unknown ? _ReadonlyKeys<O> : never;
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