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firefish/packages/backend/test/prelude/maybe.ts
syuilo d071d18dd7
refactor: Use ESM (#8358)
* wip

* wip

* fix

* clean up

* Update tsconfig.json

* Update activitypub.ts

* wip
2022-02-27 11:07:39 +09:00

18 lines
417 B
TypeScript

import * as assert from 'assert';
import { just, nothing } from '../../src/prelude/maybe.js';
describe('just', () => {
it('has a value', () => {
assert.deepStrictEqual(just(3).isJust(), true);
});
it('has the inverse called get', () => {
assert.deepStrictEqual(just(3).get(), 3);
});
});
describe('nothing', () => {
it('has no value', () => {
assert.deepStrictEqual(nothing().isJust(), false);
});
});