Mail Archives: djgpp/1996/12/30/18:25:19
From: | jmarco AT cnct DOT com (John Panettiere)
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Re: template function not linking
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Date: | Mon, 30 Dec 1996 08:06:48 GMT
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Organization: | The Internet Conection
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Lines: | 67
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Message-ID: | <5a80nr$gpq@news2.cnct.com>
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References: | <5a4srt$2i4 AT news2 DOT cnct DOT com>
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NNTP-Posting-Host: | nj-dialup230.cnct.com
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Never mind, I found the problem, sorry for time & space wasted. . .
John Panettiere
jmarco AT cnct DOT com (John Panettiere) wrote:
>Hello, all. I am using template functions for the
>first time, and I seem to be having some problems
>linking. This is more accurately a C++ question,
>but I'm posting it here in case the particular
>behavior of djgpp is an issue. In a header file,
>I declare:
>[generic.h]:
>template <class Item> void GenericAlgorithm(Item *,
> Item *,
> unsigned long,
> unsigned long);
>This same template function is defined, using the
>"Item" class placeholder indicated in the prototype,
>in a separate [generic.cpp] file. Next, in another
>file [test.cpp] I have:
>[test.cpp]
>#include "generic.h"
>#define VALUE 2
>ClassA arrayOfClassA[2];
>ClassA * pointerToClassA;
>GenericAlgorithm(arrayOfClassA,
> pointerToClassA,
> (unsigned long) 4 << VALUE,
> (unsigned long) VALUE);
>[generic.cpp] and [test.cpp] compile just fine, but
>at link time I'm told that it can't find the
>definition of
>GenericAlgorithm(ClassA *,
> ClassA *,
> unsigned long,
> unsigned long);
>even though I am linking together [test.o] and
>[generic.o] in that order. Can anyone tell me
>what I'm doing wrong? Thank you!
>John Panettiere
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