24 lines
775 B
TypeScript
24 lines
775 B
TypeScript
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export declare type Result<T, E> = Valid<T, E> | Err<T, E>;
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export declare const valid: <T, E>(value: T) => Valid<T, E>;
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export declare const err: <T, E>(error: E) => Err<T, E>;
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export declare class Valid<T, E> {
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readonly value: T;
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constructor(value: T);
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isValid(): this is Valid<T, E>;
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isError(): this is Err<T, E>;
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getValue(): T;
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getError(): E;
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map<A>(func: (t: T) => A): Result<A, E>;
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mapErr<U>(func: (e: E) => U): Result<T, U>;
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}
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export declare class Err<T, E> {
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readonly error: E;
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constructor(error: E);
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isError(): this is Err<T, E>;
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isValid(): this is Valid<T, E>;
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getValue(): T;
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getError(): E;
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map<A>(func: (t: T) => A): Result<A, E>;
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mapErr<U>(func: (e: E) => U): Result<T, U>;
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}
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