Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!mit-eddie!bloom-beacon!eru!hagbard!sunic!news.funet.fi!uwasa.fi!ts
From: ts@uwasa.fi (Timo Salmi)
Newsgroups: comp.lang.pascal
Subject: Re: Help Me!!! What's wrong with this simple problem?
Message-ID: <1990Nov28.090232.2958@uwasa.fi>
Date: 28 Nov 90 09:02:32 GMT
References: <527@shum.UUCP> <19956@oolong.la.locus.com> <28893@shamash.cdc.com>
Organization: University of Vaasa
Lines: 25

In article <28893@shamash.cdc.com> mpe@shamash.UUCP (Mike Ebsen) writes:
>What's wrong with this problem in Turbo Pascal 5.0...
>
>      Program test;
>      var
>        i : integer;
>        j : word;
>      begin
>        j:=3;
>        i:=j-10;
>        writeln(j,'     ',i);
>      end.
>
>My compiler tells me that the assignment of -7 into i (an integer) 
>is an error.

Yes, but j-10 is a word, and you cannot assign a negative value to
to it.  As far as I know i := j - 10 puts the value of the
right-hand side into the left-hand side only after j-10 has been
calculated. 

...................................................................
Prof. Timo Salmi        (Moderating at anon. ftp site 128.214.12.3)
School of Business Studies, University of Vaasa, SF-65101, Finland
Internet: ts@chyde.uwasa.fi Funet: gado::salmi Bitnet: salmi@finfun