[r6rs-discuss] Script exit code

From: Marcin 'Qrczak' Kowalczyk <qrczak>
Date: Thu Oct 5 15:54:32 2006

Michael Sperber <sperber_at_informatik.uni-tuebingen.de> writes:

>> For example a parser of script parameters might exit this way when it
>> recognizes --help or --version, to leave the normal control flow for
>> the normal usage of the program.
>
> For that purpose, Scheme has call/cc. The exception mechanism is for
> exceptional situations.

What is an advantage of call/cc over a condition here?

-- 
   __("<         Marcin Kowalczyk
   \__/       qrczak_at_knm.org.pl
    ^^     http://qrnik.knm.org.pl/~qrczak/

Received on Thu Oct 05 2006 - 15:54:19 UTC