method Result.prototype.unwrapOrElse
Result.prototype.unwrapOrElse<U>(fn: (error: E) => U): T | U

Returns the Ok value or computes a default from the error.

Examples

Example 1

const value = result.unwrapOrElse(error => {
  console.error(error);
  return 0;
});

Type Parameters

U

The type of the default value

Parameters

fn: (error: E) => U

Function to compute the default value from the error

Return Type

T | U

The Ok value or the computed default value

Usage

import { Result } from "result/mod.ts";