[boost] Re: [test_tools] Problem with struct wrapstrstream.

From: Markus Schöpflin (markus.schoepflin_at_[hidden])
Date: 2002-10-01 03:44:32

Gennadiy Rozental wrote:
> 

[snip]

> Continue my question: does the following should compile?
> 
> class A {
> public:
>     A() {};
>     int field;
> private:
>     A( A const& );
>     void operator=( A const& );
> };
> 
> void foo( A const& a )
> {
>     int i = a.field;
> }
> 
> void moo()
> {
>     foo( A() );
> }
> 

No, because you're trying to bind a rvalue (the temporary object
created with A()) to a const reference. And for this to work,
the class A must have a visible copy constructor.

Markus