[phobos] Why ConvError and not ConvException?

[David Simcha]

Once again, *please* put the aliases in for the old names for a few
releases.  I'm getting really, really sick of having my code break every
release now that D2 is supposed to be "stable" and I think other D users are
starting to feel the same way.

On Tue, Nov 16, 2010 at 4:00 PM, Jonathan M Davis <jmdavisProg at gmx.com>wrote:

> On Tuesday 16 November 2010 12:41:29 Shin Fujishiro wrote:
> > Jonathan M Davis <jmdavisProg at gmx.com> wrote:
> > > On Monday 15 November 2010 19:44:50 Andrei Alexandrescu wrote:
> > > > Historical reasons. I favor your implied change.
> > >
> > > Enhancement request created:
> > > http://d.puremagic.com/issues/show_bug.cgi?id=5220
> > >
> > > Hopefully someone with write access can get around to it before the
> next
> > > release - particularly since it should be a very quick and simple
> > > change. In either case, this way it won't be forgotten.
> >
> > Okay, replaced all ConvError with ConvException.
> >
> > By the way, it feels redundant for me to name every exception class
> > with an ending Exception, especially descriptive ones such as
> > ConvOverflowException.  Couldn't it be ConversionOverflow?
>
> It's clearer and more consistent to have Exception in the name. It makes it
> nice
> and obvious that you're dealing with an exception type, and it's not like
> youe
> have to type them very often anyway. Also, what would you do for stuff like
> std.datetime? It has DateTimeException. It's not like you can change it to
> DateTime. Not only would that be a bad name (since its name is not
> indicative of
> an exception or error at all), but there's already a separate DateTime
> type.
>
> FWIW, all of the exceptions in Java have Exception in their name, and as
> far as
> I recall, every exception class that I've used in any other language has
> had
> Exception or exception in its name. It makes it nice and clear that you're
> dealing with an exception type, and while some might be able leave it out -
> like
> ConversionOverflow - that leads to inconsistency with all of the exception
> types
> which need it in order to make it clear that they're actually an error of
> some
> sort.
>
> So, I definitely think that in Phobos and Druntime we should have Exception
> as
> the suffix for all Throwables descended from Exception and Error as the
> suffix for
> all Throwables descended from Error. It's clear and consistent that way.
>
> - Jonathan M Davis
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