Let's improve D's exceptions

[Marco Leise via Digitalmars-d]

Am Thu, 14 May 2015 01:31:21 +0000
schrieb "Adam D. Ruppe" <destructionator at gmail.com>:

> Refresh this:
> http://arsdnet.net/dcode/exception.d
> 
> 
> It now has my enforce 2.0 proof of concept draft.
> 
> Usage:
>          alias enforce = enforceBase!MyExceptionBase;
>          import core.stdc.stdio;
>          enforce!fopen("nofile.txt".ptr, "rb".ptr);
> 
> Message:
> 
> MyExceptionBase at exception.d(38): fopen call failed
>          filename = nofile.txt
>          mode = rb
> ----------------
> stack trace here

Yep, implemented something like that too. I worry about the
code bloat, but it sure is powerful.
It did fail with vararg C functions though :p

@nogc Exceptions would also be nice in my opinion.

I can agree with your ideas, although I never found the
Throwable really bad. It gets the job done.

-- 
Marco