D's equivalent to C++'s std::move?
Ola Fosheim Grøstad via Digitalmars-d
digitalmars-d at puremagic.com
Sat Feb 13 12:24:12 PST 2016
On Saturday, 13 February 2016 at 20:11:45 UTC, rsw0x wrote:
> D "guarantees" NRVO which is what enables its move semantics,
> C++ did/does not.
>
> Quotes because IIRC(?) it used to be part of the spec and it
> isn't anymore, I don't think Walter or Andrei have addressed
> this yet so I'm not sure if it's intended.
By NRVO I assume you mean:
https://en.wikipedia.org/wiki/Return_value_optimization
All the common C++ compilers do RVO, but you don't need that to
implement move semantic-like behaviour in C++03.
I wouldn't call RVO move semantics at all...
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