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From: David Abrahams (dave_at_[hidden])
Date: 2003-11-04 13:54:13

Daniel Spangenberg <dsp_at_[hidden]> writes:

> David Abrahams schrieb:
>> Daniel Spangenberg <dsp_at_[hidden]> writes:
>> You'd better supply a careful definition of Swappable before I
>> believe that. Once Howard Hinnant's LWG issue 301 changes are
>> accepted, the picture may look a bit different.
> Hmmh, I cannot relate LWG issue 301 to this point of question or even
> Howard Hinnant related to this ;-)
> Maybe you mean your **own** issue 227
> ?


> But I see no connection to my point, which is obviously related to
> my missing definition of Swappable. This terminus cannot be found
> in C++98, nor could I find any definition on the pages of the commitee.
> OK, I mean by swappable that this type provides a swap member
> function.

Oh! That's the last thing I expected! So ints are not Swappable.
Now, are there any restrictions on the signature of that function or
its semantics?

> I do not see any connection between swapable and copyable.

Given *your* (partial) definition of Swappable there is no connection.
I don't happen to think it's a very useful definition, though.

Dave Abrahams
Boost Consulting

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