The parent is right about the copy elision part (http://en.wikipedia.org/wiki/Re...

wynand on Oct 18, 2009 | parent | context | favorite | on: C++ Frequently Questioned Answers

The parent is right about the copy elision part (http://en.wikipedia.org/wiki/Return_value_optimization). GCC definitely performs this and I'm sure that it's true of other widely used C++ compilers.

I also don't know what yosefk means when he says that smart pointers rely on defective meta-programming techniques. The implementation of Boost's smart_ptr doesn't seem too esoteric to me.

shin_lao on Oct 18, 2009 [–]

More information about copy elision here:

http://cpp-next.com/archive/2009/08/want-speed-pass-by-value...