Hello,
On Wed, 29 Sep 2004 20:23:13 -0700 (PDT), Alan Mead wrote:
>> while ( (i<=Length(fmt)) and (NOT fmt[i] IN ['0'..'9']) ) do
>> inc(i);
>First, it seems improper for any syntax to compile (i.e., to fail to
>raise a syntax error) and then not execute.
It compiles because it has the meaning that David said. The "not"
operator is applied to fmt[i].
>Second, I had to track this down by inserting a bunch of lines like
>"writeln('Passed 33');". The code was compiled with -gl so I should
>see a line number but none is shown. This seems like a bug.
>Third, the RTE, "Invalid variant operation" seems inappropriate and
>confusing. Again, maybe there's an implicit conversion... (but is it
>appropriate?)
The "not" operator applies to integers, performing a bitwise not. In
your code it's applied to a character, so the conversion is probably
from char to integer. Useful when doing f.i. compression or
encryption.
If it's inappropiate or not, I don't know.
--
saludos,
Nico Aragón
NOTE: na-list address only works for messages coming from lists.
Please, write to "nico" at the same domain for direct email.
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