Returns ((opt) => T)

The contained value or fn().

Examples

import { some, none, unwrapOrElse } from "./option.ts";
import { assertEquals } from "../deps.ts";

const unwrapOrCalc = unwrapOrElse(() => 6 ** 4);

assertEquals(unwrapOrCalc(some(4)), 4);
assertEquals(unwrapOrCalc(none()), 1296);
Copy

• • (opt): T

  • Parameters

    • opt: Option<T>

    Returns T