Re: [boost] [shared_ptr] dangerous implementation of moveconstructor

From: Emil Dotchevski (emildotchevski_at_[hidden])
Date: 2007-04-16 19:40:24

> There are many more ways to reuse an object than assignment and 
> reset.  For instance, I would be extremely disappointed if the following 
> code didn't work:
>
> vector<double> foo;
> vector<double> bar = move(foo);
> foo.resize(10);
> for (size_t n = 0; n < 10; ++n) {
>       foo[n] = n + 7;
> }

I don't understand why would you do anything with foo after you moved it?

If you wanted to reuse foo for some reason, you could have said:

vector<double> foo;
...
vector<double> bar;
bar.swap(foo);
foo.resize(10);
...

Emil Dotchevski