On 4/19/2011 5:49 AM, Sukender wrote:
> hmmm...
>
> Why did you write
> template<T> void addMeta(const std::string&, const Value<T>& v);
> ?
>
> Wouldn't this be simpler:
> template<T> void addMeta(const std::string&, const T & v);
> ?
>
You're right, that is confusing. Here's a better way to compare the
alternatives:
template<T> void addMeta(const std::string&, const Value<T>& v) {
// Supports v as a subclass of Value<T>
Value<T>* localcopy = v.clone();
}
template<T> void addMeta(const std::string&, const T & v) {
// Can only customize Value<T> through template specialization
Value<T>* localcopy = new Value<T>(v);
}
--
Peter Amstutz
Senior Software Engineer
Technology Solutions Experts
Natick, MA
02131
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