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Re: RFC: support move semantics

From: Hans Åberg
Subject: Re: RFC: support move semantics
Date: Wed, 12 Sep 2018 23:43:59 +0200

> On 12 Sep 2018, at 23:15, Frank Heckenbach <address@hidden> wrote:
> Hans Åberg wrote:
>>>   Modern C++ (i.e., C++11 and later) introduced "move only" types: types 
>>> such
>>>   as std::unique_ptr<T> that can never be duplicated.  They must never be
>>>   copied (by assignments and constructors), they must be "moved".  The
>>>   implementation of used to copy symbols (including their semantic
>>>   values).  This commit ensures that values are only moved in modern C++, 
>>> yet
>>>   remain compatible with C++98/C++03.
>> Hopefully copy only types can still be used. So say:
> C++ will automatically copy when copy is available and move is not.

Yes, but strictly, that is not what the above text says.

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