From: Aleksei Guzev <aleksei.guzev@...>
Date: 2002-11-19T14:48:39+09:00
Subject: Re: ruby-dev summary 18711-18810


"Yukihiro Matsumoto" <matz@ruby-lang.org> wrote in message
news:1037682098.970812.11088.nullmailer@picachu.netlab.jp...
> Hi,
>
> In message "Re: ruby-dev summary 18711-18810"
>     on 02/11/19, "Aleksei Guzev" <aleksei.guzev@bigfoot.com> writes:
>
> |Hiding error means one would receive diagnostic message of TypeError
while
> |the error is not of that type. It's an index error. This will make
locating
> |bugs harder.
>
> But it happens all the time in dynamic languages.  Why this bothers
> you so much?
>

All the time people die in auto crashes. But noone says 'Let them die...'
If there exists an opportunity to work around this issue, why not to do
this?
Of course, I understand there could be some problems implemeting raising
exceptions.

> |Violation means that one calling "zip" will get an exception regardless
of
> |what method has raised it. It doesn't matter who raised an exception.
> |Matters its nature and its origin in the user code(!), not library one.
>
> You can always get the error position in the user code, either in
> stack trace in the error message, or in caller information.
>
> matz.
>