23 lines
919 B
Plaintext
23 lines
919 B
Plaintext
/**
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* Safer version of `Function` which should not be called.
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* Every function should be assignable to this, but this should not be assignable to every function.
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*/
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export type AnyFunction = (...args: never[]) => void;
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/**
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* Type of objects whose values are all of the same type.
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* The `in` and `for-in` operators can *not* be safely used,
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* since `Object.prototype` may be modified by outside code.
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*/
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export interface MapLike<T> {
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[index: string]: T;
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}
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/**
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* Indicates whether a map-like contains an own property with the specified key.
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*
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* @param map A map-like.
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* @param key A property key.
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*/
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export declare function hasProperty(map: MapLike<any>, key: string): boolean;
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export declare function assertNever(member: never, message?: string, stackCrawlMark?: AnyFunction): never;
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export declare function fail(message?: string, stackCrawlMark?: AnyFunction): never;
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//# sourceMappingURL=utils.d.ts.map |