this post was submitted on 18 Jun 2023
8 points (100.0% liked)

C++

320 readers
1 users here now

A place for C++ programmers discuss articles and news about programming in C++ and the language itself

founded 2 years ago
MODERATORS
[email protected]
8
The move constructor that you have to declare, even though you don't want anyone to actually call it - The Old New Thing (devblogs.microsoft.com)
submitted 2 years ago by [email protected] to c/[email protected]
6 comments fedilink hide all child comments
you are viewing a single comment's thread
view the rest of the comments
[โ€“] [email protected] 1 points 2 years ago (1 children)

I think compiler move return value by default, so even without NRVO you should never move a return value when it's a local non reference variable.

[โ€“] tunetardis 1 points 2 years ago

Well the test3 example FTA gives a case where NRVO would not happen because of the conditional return value. Are you suggesting that you need not std::move even in this case?