@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) • 308 B
JavaScript
// ets_tracing: off
import * as O from "../../../Option/index.mjs";
import * as Fold from "./fold.mjs";
/**
* Creates a sink containing the first value.
*/
export function head() {
return Fold.fold(O.none, O.isNone, (s, in_) => O.fold_(s, () => O.some(in_), _ => s));
}
//# sourceMappingURL=head.mjs.map