Re: with-url

[Dmitry Gutov]

On 22.01.2017 00:37, Lars Ingebrigtsen wrote:

> "The absence of a connection timeout" is not an error.  A connection
> timeout is an error, of course, and the caller can access that error
> like all the other errors.

Via a global variable?

> None of these errors are control-flow-level errors, but are expected
> behaviour.

Try evaluating (insert-file-contents "/abc/def").

It signals file-error.

How is that different, conceptually speaking, from a 404 status 
(application level error) or domain resolution error (IP level error)?

> That's what Java programmers did in the 90s, and they've learned their
> lessons.

I can assure you, they are still doing that. Just like many other 
programmer using certain other object-oriented languages, when 
implementing business logic.

The lesson to be learned here is, it pretty much works.

> Well, most of them.

Ones that switched to Go?