@effect-ts/system
Version:
Effect-TS is a zero dependency set of libraries to write highly productive, purely functional TypeScript at scale.
11 lines (10 loc) • 338 B
JavaScript
// ets_tracing: off
import * as O from "../Option/index.mjs";
import { fail, foldM_, succeed } from "./core.mjs";
/**
* Converts an option on errors into an option on values.
*/
export function optional(self) {
return foldM_(self, O.fold(() => succeed(O.none), fail), a => succeed(O.some(a)));
}
//# sourceMappingURL=optional.mjs.map