Let us introduce you to the concept of checked exceptions. That is one of the few paradigms we've seen in actually-used languages (namely Java) where communicating which specific errors will occur has been tried.
Why is it that developer brains shut off as soon as they see the word "error"? It happens every time without fail.
I'm aware of checked exceptions in Java. What I'm not aware of is a language which has checked exceptions as the only exception mechanism, which would be the only way to have exceptions always reflected in the function definition.
Let us introduce you to the concept of checked exceptions. That is one of the few paradigms we've seen in actually-used languages (namely Java) where communicating which specific errors will occur has been tried.
Why is it that developer brains shut off as soon as they see the word "error"? It happens every time without fail.