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# Prime numbers (unit magnitude) unfit for standardization
The current mp-units library (v2.0), since #300,
implements the amount of an unit, its magnitude, as a sum of prime numbers.
[ _Note_:
…
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# Describe the bug
From DevCom-10662768.
MSVC STL's `pair` is trivially copyable but not trivially copy assignable. Currently, vectorization of `reverse_copy` incorrectly detects the element type …
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| --- | --- |
| Bugzilla Link | [40324](https://llvm.org/bz40324) |
| Version | trunk |
| OS | All |
| Reporter | LLVM Bugzilla Contributor |
| CC | @BillyONeal,@DougGregor,@modocache,@zygoloi…
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Real-world use of rebind_simd_t suggests that simd_cast is a concise and readable way of indiciating what you mean, while rebind_simd_t is a bit verbose.
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# Five Awesome C++ Papers for the H1 2023 - C++26, Varna and More - C++ Stories
Last week the ISO committee met in Varna to discuss some of the first batch of C++26 features. It’s an excellent occasi…
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_Перенос предложения:_ голоса +7, -0
_Автор идеи:_ **Игорь Савенков**
Собственно, предлагаю добавить в switch атрибут [[autobreak]]
Из названия можно догадаться, что autobreak нужен чтобы меньше …
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_Перенос предложения:_ голоса +1, -11
_Автор идеи:_ **Евгений Захаров**
Код
```
const char *str = nullptr;
if(myService.isOnline()){
str = myService.name();
}
std::string s …
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I'm trying to get C++20 modules working with CMake/Ninja, for some definition of "working". I'm using GCC, CMake, and Ninja compiled from github (today). The compilation rule for a single file is this…
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Full name of submitter: Jan Schultke
Reference (section label): [basic.life]
## Issue Description
It is popular opinion in the C++ community that the lifetime of an object begins before dynam…
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`` is a weird header. It contains `abs` and `div` for `intmax_t`, plus some primitive string \ integer conversion functions. And some `printf` / `scanf` format string macros. And we put it in the iost…