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StockholmCpp 0x3A

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C++ news

WG 21 changes convenor: Herb Sutter → Guy Davidson

C++ news

Kona tripreport: https://herbsutter.com/2025/11/10/trip-report-november-2025-iso-c-standards-meeting-kona-usa/

C++ news

P3849R0: SIS/TK611 considerations on Contract Assertions

Poll: Sweden SE 6.11 [basic.contract]
Concerts about contracts -
we want to pursue a change for C++26
SF  F   N   A   SA
12  3   1   15  14
Result: No consensus for change

TK611/AG09

Next regular 1 Dec.

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https://swedencpp.se

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StockholmCpp Planning 2026

22nd January
End of Feb/Begin of Mars

Call for Papers!

Submit your ideas and suggestions

Tell us what you want to hear or want to do

Call for Participation

Quiz time

Quiz time

int main() {
    auto s = +!!"";
    return s;
}

What does that program return (and explain why)

Quiz time

int main() {
    auto s = +!!"";
    return s;
}

int/bool/pointer/char[]

→ 1 ←

Quiz time

int main() {
    auto s = +!!"";
    return s;
}

int/bool/pointer/char[]

→ 1 ←

Credit: https://blog.knatten.org/2018/10/12/1662/

Today’s program

Harald: Orthodox C++
The vasa has shipped, but who broke the contract
🍹 🍕 Mingle 🍕 🍻
Filipe: Efficiency Without Illusions
LLM-Assisted C++ Design & Refactoring
(Gains, Limits, and Safety Rails)

Väl mött!