template class, operator T

From: Christopher (anon_at_nospam.net)
Date: 12/31/03 

Date: Wed, 31 Dec 2003 04:16:25 GMT

I am trying to re-write some code from a book I am working on so that I
understand it's functionality.
I ran across this:

template <class T>
class Flag
{
public:
    // snip
    T value;
    operator T() {return value;};
    // snip
};

what does the operator T do? and is it not returning a value even a void?
,
Christopher

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