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11811dc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | // @flow
/**
* A type used for returning and propagating errors. The first element of the union
* represents success and contains a value, and the second represents an error and
* contains an error value.
* @private
*/
export type Result<T, E> =
| {| result: 'success', value: T |}
| {| result: 'error', value: E |};
export function success<T, E>(value: T): Result<T, E> {
return {result: 'success', value};
}
export function error<T, E>(value: E): Result<T, E> {
return {result: 'error', value};
}
|