Comparing Exceptions and Errors

[Ola Fosheim Grøstad]

On Sunday, 5 June 2022 at 07:28:52 UTC, Sebastiaan Koppe wrote:
> Go has panic. Other languages have similar constructs.

And recover.

>> So D will never be able to provide actors and provide fault 
>> tolerance.
>
> I guess it depends on the programmer.

But it isn’t if you cannot prevent Error from propagating.

>>> Is the service in a usable state?
>>
>> Yes, the actor code failed. The actor code change frequently, 
>> not the runtime kernel.
>
> The actor code is free to call anything, including @system

@trusted code. How is this different from FFI in other languages? 
As a programmer you make a judgment. The D argument is to prevent 
the programmer from making a judgment?

> How would the actor framework know when an error is due to a 
> silly bug in an isolated

How can I know that a failure in Python code isn’t caused by C

There is no difference in the situation. I make a judgment as a 
programmer.