D's equivalent to C++'s std::move?
Ola Fosheim Grøstad via Digitalmars-d
digitalmars-d at puremagic.com
Wed Feb 3 07:56:48 PST 2016
On Wednesday, 3 February 2016 at 15:44:25 UTC, Sönke Ludwig wrote:
> seems like pretty clear semantics. And in C++ you'd have the
> same situation once somefunction decides to move/swap the value
> somewhere else before throwing an exception.
Well, you can always move it back or wait with the move.
Also, std.move may end up being inefficient when you have a
complicated resource holder. Since the work is done before
calling the function the optimizer may struggle with getting rid
of the work.
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