🐨 Adds result types - Result, Error & Ok

app/src/lib/utilities/result/result.ts

@@ -0,0 +1,20 @@
+import { Err } from './err'
+import { Ok } from './ok'
+
+export type Result<T = unknown, E = unknown> = Ok<T> | Err<E>
+
+export namespace Result {
+  /**
+   * @returns `Ok<T>`
+   */
+  export function ok<T = unknown>(value: T) {
+    return Ok.new(value)
+  }
+
+  /**
+   * @returns `Err<E>`
+   */
+  export function err<E = unknown>(error: E) {
+    return Err.new(error)
+  }
+}