alt
import { alt } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/datum.ts";Provide an alternative Datum if the current one has no value.
@example
import { alt, initial, replete } from "./datum.ts";
import { pipe } from "./fn.ts";
const result1 = pipe(initial, alt(replete("fallback"))); // Replete("fallback")
const result2 = pipe(replete("data"), alt(replete("fallback"))); // Replete("data")