> If you have several such functions that can each fail, this approach means your "happy path" follows the deepening scope / indentation. In fact, I once had a

> If you have several such functions that can each fail, this approach means your "happy path" follows the deepening scope / indentation. In fact, I once had an interview candidate approach a simple string parsing problem by checking each char in a nested scope, happily going a dozen deep and not seeing a problem!