Maybe more a meditation ...

... did anybody ever try to use goto-labels for poor mans exceptions? I'd like to see those CPAN modules.

Please note that here it's possible to test if a receiver exists.

{
    my ($exception,$msg);


    sub throw {
        ($exception,$msg) = @_;

        eval { goto "$exception" };

        if ($@) {
            warn "Couldn't find target $exception";
        }
    }

    sub get_exception {
        return ($exception,$msg);
    }


}




sub test {
    throw "DONT_CATCH", "...because... Your Mother ...";
    throw "ERROR", "...because";
}


{
    test();

    last;

  ERROR:
    warn "Caught Error..." , get_exception;
}

[download]

Couldn't find target DONT_CATCH at d:/Users/lanx/pm/catch_goto.pl line
+ 12.
Caught Error...ERROR...because at d:/Users/lanx/pm/catch_goto.pl line 
+39.

[download]

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Wikisyntax for the Monastery

In reply to Goto-labels for exception handling? by LanX

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