On Fri, 22 Nov 2002 13:48:01 +0200, "Peter Dimov" <[EMAIL PROTECTED]> wrote:
>From: "David Abrahams" <[EMAIL PROTECTED]> >> >> Here's what I think might be a correct implementation: >> >> template <class T, class U> T implicit_cast(U const& x) { return x; } >> template <class T, class U> T implicit_cast(U& x) { return x; } > >The correct implementation IIRC is > >template<class T> T implicit_cast(typename identity<T>::type x) { return >x; } Nice. I'm curious: besides preventing a call to implicit_cast without an explicit specification of the destination type, is there any other reason why identity<> is used? Genny. _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost