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Mail Archives: djgpp/1999/05/23/15:50:21

Message-ID: <37484FDF.6F185581@enter.net>
Date: Sun, 23 May 1999 14:58:39 -0400
From: Sean <sproctor AT enter DOT net>
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Newsgroups: comp.os.msdos.djgpp,comp.lang.c++
Subject: Re: Problems using CYGWIN
References: <373FBB9C DOT FE26B278 AT netvigator DOT com> <FBvqL7 DOT 6Gr AT research DOT att DOT com> <37422F98 DOT D16AE5AA AT netvigator DOT com>
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

NG Chi Fai wrote:
> 
> Hello,
> 
> I've tried to add a copy constructor, but still got the same error:
> 
> [main] C:\WINDOWS\DESKTOP\A.EXE 1010 (0) handle_exceptions: Exception:
> STATUS_ACCESS_VIOLATION
> [main] A 1010 (0) handle_exceptions: Dumping stack trace to A.EXE.core
> 
> Besides, compiler report as below, but I have no idea what is going on,
> besides, it seems to warn for the 1st instantiation of a<T>::~a<T> only,
> it does not warn on a<float>::~a<float>. But when I inverse order of
> declaration of a<float> and a<int> it warn on a<float>. What is it all
> about.
> 
> test.cpp: In instantiation of `a<int>::~a<int>()':
> test.cpp:65:   instantiated from here
> test.cpp:65: warning: template `a<int>::~a<int>()' instantiated in file
> without #pragma interface
> 
> // copy constructor
> template < class U > a(const a<U> &v)
> {
>         t=new T[256];
>         int i;
>         for(i=0;i<256;i++)
>         {
>                 t[i]=T(v.t[i]);
>         }
> };

Don't you need the first line of the copy constructor to be
template<class U> a<U>::a(const a<U> &v)
?  I don't really know much about c++, but I know you need something,
maybe a instead of a<U>, though maybe you just typed it wrong here.

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