Type Alias Result<T, E>

Result: Success<T> | Failure<E>

Result type representing either a success with data or a failure with error. This discriminated union enables type-safe error handling without try/catch blocks.

Type Parameters

T
The type of the successful data
E = ErrorWithStatus
The type of the error, defaults to ErrorWithStatus

Example

const result: Result<string> = await tryCatch(fetchText());
if (result.error) {
  // TypeScript knows result.data is null here
  console.error(result.error.message);
} else {
  // TypeScript knows result.error is null here
  console.log(result.data.toUpperCase());
}

Type Alias Result<T, E>

Type Parameters

Example

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