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Editorial Team
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Asked: 2026-06-13T04:59:46+00:00

Rvalue references generally boost performance in a C++ program. But they are not available

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Rvalue references generally boost performance in a C++ program. But they are not available directly in a C++03 compiler. Fortunately boost::move seems to be able to emulate it even in C++03:

Rvalue references are a major C++0x feature, enabling move semantics
for C++ values. However, we don’t need C++0x compilers to take
advantage of move semanatics. Boost.Move emulates C++0x move semantics
in C++03 compilers and allows writing portable code that works
optimally in C++03 and C++0x compilers.

Things like the standard library written with C++98/03 will not benefit from boost::move as they need to be re-written. (New versions of the standard library like VC10’s have been re-written using rvalue references.)

But I am wondering how many Boost libraries have been re-written since boost::move was introduced in 1.48?

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1 Answer

  1. Editorial Team

    Looking through the Boost version history, I see that Unordered was updated in 1.48 and Thread was updated in 1.50. I can’t see any others that have adopted Boost.Move.

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