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From: Ruben Safir <mrbrklyn@panix.com>
Newsgroups: comp.lang.c++
Subject: Re: templates - method return value is multiple types
Date: Fri, 27 May 2011 17:58:14 +0000 (UTC)
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Stefan Ram <ram@zedat.fu-berlin.de> wrote:
> Christopher <cpisz@austin.rr.com> writes:
>>Is it possible to create a method that can return different types
> 
>  A function can return an instance of any type that is
>  a subtype of its declared return type (polymorphism).
> 


what is a subtype?  The template book i have makes it fairly clear that
changing the subtype, even with partial and explicit specialization, is
impossible because it changes the templates signature.

Ruben