Duncan Regan adregan

🛶

My other car is a canoe

adregan / Option.ts

Created May 20, 2024 14:48 — forked from duncan-rheaply/Option.ts

adregan / machine.test.ts

Created May 20, 2024 14:48 — forked from duncan-rheaply/machine.test.ts

	import { Machine } from "./machine";
	import { Context, State } from "./models";

	describe("Machine", () => {
	describe("Machine.create(state)", () => {
	test("it returns an instance of state machine", () => {
	const machine = Machine.create({ value: "saying.hello", context: {} });
	expect(machine).toBeInstanceOf(Machine);
	});
	});

adregan / result-v2.ts

Last active October 28, 2025 15:42 — forked from duncan-rheaply/result.test.ts

Result

	interface IResult<T, E> {
	isOk(): boolean;
	isErr(): boolean;
	map<U>(fn: (value: T) => U): Result<U, E>;
	flatMap<U, F>(fn: (value: T) => Result<U, F>): Result<U, E \| F>;
	match<U, F>(params: { onOk: (value: T) => U; onErr: (error: E) => F }): U \| F;
	unwrap(): T;
	unwrapOr<D>(defaultValue: D): T \| D;
	}