TypeScript is a structurally typed language on purpose. But even then nominal features already exist that would have solved this problem much more elegantly. Su

TypeScript is a structurally typed language on purpose. But even then nominal features already exist that would have solved this problem much more elegantly. Such as `unique symbol` https://www.typescriptlang.org/docs/handbook/symbols.html#unique-symbol https://www.typescriptlang.org/docs/handbook/symbols.html#un...