Funnily, I released something similar two weeks ago with more targeted decorators (sync vs async), a more strict `Err` type and a less verbose type guard (`ok`)

Funnily, I released something similar two weeks ago with more targeted decorators (sync vs async), a more strict `Err` type and a less verbose type guard (`ok`): https://github.com/overflowy/safe-result https://github.com/overflowy/safe-result