this post was submitted on 25 Nov 2023
26 points (96.4% liked)

C++

1773 readers
3 users here now

The center for all discussion and news regarding C++.

Rules

founded 1 year ago
MODERATORS
Nihili0@programming.dev
lysdexic@programming.dev
26
On harmful overuse of std::move - The Old New Thing (devblogs.microsoft.com)
submitted 11 months ago by lysdexic@programming.dev to c/cpp@programming.dev
22 comments fedilink hide all child comments
you are viewing a single comment's thread
view the rest of the comments
[–] BatmanAoD@programming.dev 3 points 11 months ago (2 children)

...which is also explicit.

[–] wosrediinanatour@mastodon.social 2 points 11 months ago (1 children)

@BatmanAoD @Miaou It is just what you are used to.
In C++ everything is a copy. Sometimes the compiler optimizes it away. clang-tidy may help. Having a clone() is very C-like.

[–] Miaou@jlai.lu 1 points 11 months ago* (last edited 11 months ago)

That's a common idiom but the default behaviour is still implicit copy, which, with VLAs and no smart pointers, makes things arguably worse than in c++

[–] Miaou@jlai.lu 1 points 11 months ago

I thought that was obvious as I mentioned a function call, but yes indeed