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smartpointer function matching ambiguity

 
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Stefan Strasser
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PostPosted: Sun May 08, 2005 11:51 pm    Post subject: smartpointer function matching ambiguity Reply with quote



I think everybody who uses smartpointers has encountered something like
this:
struct A{};
struct B : A{};
struct C : B{};
void f(shared_ptr<A> const &);
void f(shared_ptr<B> const &);
..
shared_ptr<C> c;
f(c); //ambigous call


do you consider this a problem worth addressing with a language extension?
a smart pointer clearly behaves unlike an ordinary pointer here.
a widely used used smart pointer it now part of TR1 and I think you
can't solve this with current language features.

Regards,

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