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Re: Writing move constructors and move assignment

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On Mon, 12 Dec 2011 04:11:10 -0800, Andrew Tomazos wrote:

>     Foo(Foo&& that)
>     {
>         ???
          p = that.p;
          that.p = NULL;
>     }


> 
>     Foo& operator= (Foo&&)
      Foo& operator= (Foo&& that)
>     {
>         ???
          if (this != &that) {
              p = that.p;
              that.p = NULL;
          }
          return *this
>     }
> };

> What role does std::move play if any in this case?

You can re-write the move constructor using the move assignment
operator and std::move as:

    Foo(Foo&& that)
    {
        *this = std::move(that);
    }

std::move just lets you get an rvalue reference for an lvalue, to cause
the correct overload to be used.

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Writing move constructors and move assignment Andrew Tomazos <andrew@tomazos.com> - 2011-12-12 04:11 -0800
  Re: Writing move constructors and move assignment Marc <marc.glisse@gmail.com> - 2011-12-12 13:15 +0000
  Re: Writing move constructors and move assignment Nobody <nobody@nowhere.com> - 2011-12-12 13:45 +0000

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