6 lines
247 B
TypeScript
6 lines
247 B
TypeScript
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export declare function isNil<T>(v: Nilable<T>): v is Nil;
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export declare type Nullable<T> = T | null;
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export declare type Nilable<T> = T | Nil;
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export declare type Nil = null | undefined;
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export declare function isBool(v: unknown): v is boolean;
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