Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!uunet!zephyr!tektronix!psueea!parsely!bucket!leonard
From: leonard@bucket.UUCP (Leonard Erickson)
Newsgroups: comp.lang.pascal
Subject: Re: Pascal compilers for MS DOS systems
Message-ID: <1552@bucket.UUCP>
Date: 12 Jul 89 06:54:32 GMT
References: <1723@hudson.acc.virginia.edu>
Organization: Rick's Home-Grown UNIX; Portland, OR.
Lines: 24

hd7q@hudson.acc.virginia.edu (das himadri) writes:
<... I tried Turbo Pascal 5.0 for which the code
<had to be broken up into units of less than 64 kbytes. I am having
<problems while trying to use in one unit a procedure available in another
<unit when calling this procedure involves passing a complex data type
<between the two procedures. To elaborate a bit further, there is no
<problem if a character or integer or real is being passed between
<two units but if a string or a pointer to a record or an array of pointers
<to records needs to be passed between the two units then it doesn't
<work but gives a type mismatch error during compilation. This type
<mismatch refers to the complex data structure that needs to be passed
<between the two units even though they have been declared in both units.

If you declare a type in two seperate units, you have declared two
*different* types! Even if the declarations are identical. Check the
discussion of types on pages 36 thru 38 of the Reference Guide.

You need to declare the type in one unit and have the other unit
*use* that unit. 
-- 
Leonard Erickson		...!tektronix!reed!percival!bucket!leonard
CIS: [70465,203]
"I'm all in favor of keeping dangerous weapons out of the hands of fools.
Let's start with typewriters." -- Solomon Short