RE: A common base exception object for Perl - RFC

[Nick Ing-Simmons <nick@ing-simmons.net>]

Sam Tregar <sam@tregar.com> writes:
>On 20 Jan 2000, Martyn Pearce wrote:
>
>> the use of -foo for configuration items seems to me to be something
>> picked up from Tk and/or analogy with command-line calls.  I'm not
>> convinced that they help here; and I don't see them used commonly
>> through the non-Tk modules.

I have been known to use it in non-Tk modules too. But probably as
often I don't use it.  Tk was a special case - there was piles of Tcl
related documentation which used the leading '-'.

>
>CGI, IPC::ShareLite - two off the top of my head.  I figure it's a sort of
>syntax-highlighting for people that don't use emacs cperl-mode and a color
>monitor.
>
>The only bad thing about it is that 5.004 sometimes gets confused and
>treats the - as a unary minus.  Even worse, sometimes it does so and
>doesn't print an error!

It _always_ treats it as a unary minus. The trick is that - string 
is defined to be '-'.string' .

-- 
Nick Ing-Simmons

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References to:

Sam Tregar <sam@tregar.com>

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