libcxx
carbon-lang
libcxx | carbon-lang | |
---|---|---|
14 | 174 | |
677 | 32,216 | |
- | 0.4% | |
0.0 | 9.8 | |
over 4 years ago | 4 days ago | |
C++ | C++ | |
Apache License 2.0 | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
libcxx
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Quants use Rust; Devs use C++ - Hey, it's a compromise!
If you are comparing hoops that library authors need to jump through in both languages, you can easily make the real-world comparison in the other direction, by comparing Rust's Option with C++'s std::optional (an exercise left for the reader): Rust std: https://github.com/rust-lang/rust/blob/master/library/core/src/option.rs libcxx: https://github.com/llvm-mirror/libcxx/blob/master/include/optional
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My favorite prime number generator
My favorite prime number generator is the undocumented __next_prime():
https://github.com/llvm-mirror/libcxx/blob/78d6a7767ed57b501...
There is no good reason to use this one except in a code golf environment that includes all headers by default, which is where I learned about it.
- Please can someone tell me where I can find the content of the STL
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"My Reaction to Dr. Stroustrup’s Recent Memory Safety Comments"
I once read a Strousroup quote amounting to "If you understand std::vector, then you understand C++". I thought surely he couldn't have meant the interface but the implentation, googled that llvm's implementation is considered nice and clean, had a look, and noped straight out of there.
- pmr implementation in c++14
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In Defense of Linked Lists
C++'s STL linked list for comparison (libcxx).
https://github.com/llvm-mirror/libcxx/blob/master/include/li...
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RFC: C++ Buffer Hardening
> For example, accessing a std::span or a std::vector outside of its bounds would abort the program, and so would accessing an empty std::optional.
I don't really understand the difference with libc++, libstdc++ and msvc stl's respective debug modes, they already do exactly these checks :
- https://github.com/llvm-mirror/libcxx/blob/78d6a7767ed57b501...
- https://github.com/gcc-mirror/gcc/blob/966010b2eb4a4c52f139b...
- Why is std::array implemented as a struct instead of a class?
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C++ Concurrency Model on x86 for Dummies
I mean it's not hard to read the source for your platform. On Linux/x86_64/libc++ it's roughly:
- https://github.com/llvm-mirror/libcxx/blob/master/include/__...
- https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=nptl/...
I don't particularly care to comb through it to see if anything has changed, but historically it was a a little spin-CAS to make the non-contended path fast and then dropping into a https://en.wikipedia.org/wiki/Futex, which is about as good as it gets for staying mostly in userspace but still letting it be scheduler aware so you're not burning up a core busy-polling, which is what often happens when people try to roll their own shit.
Google wants a bit more latitude on the heuristics and degrees of freedom around read/write ownership, so they did it like this: https://github.com/abseil/abseil-cpp/blob/master/absl/synchr... which is quite a bit better commented/legible.
If anyone reading this can do better than the `abseil-cpp` folks, not only would Google take their PR, they'd probably offer them a job.
- Intrusive List Advantages?
carbon-lang
- Carbon Copy Newsletter No.2
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Cpp2 and cppfront – An experimental 'C++ syntax 2' and its first compiler
The roadmap for Carbon [0] mentions wanting to have basic, non-trivial programs written in Carbon by the end of 2024. They're aiming for a v0.1 release in 2025. If it gains traction, they're aiming for a v1.0 beyond 2027.
I don't think anyone outside Google will seriously adopt this before it reaches v1.0. Even within Google, they may choose other options.
[0] - https://github.com/carbon-language/carbon-lang/blob/trunk/do...
- Carbon Language Newsletter, the Carbon Copy, February 2024
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Odin Programming Language
Carbon was started by Chandler Carruth, at Google, but they wanted to move it to broader governance quickly. It's not under the Google GitHub today, but its own org.
https://github.com/carbon-language/carbon-lang/blob/trunk/do...
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C++ Should Be C++
What do you think about Carbon[1]? I am hopeful.
[1] https://github.com/carbon-language/carbon-lang
- The NSA advises move to memory-safe languages
- Carbon Language: An experimental successor to C++
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Toward a TypeScript for C++"
https://github.com/carbon-language/carbon-lang/blob/trunk/do...
next year 0.1 will be usable, 1.0 is about 3 years away, sigh, back to my rust fight
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Programming Languages Every Developer Should Watch Out For
1. Carbon
What are some alternatives?
STL - MSVC's implementation of the C++ Standard Library.
rust - Empowering everyone to build reliable and efficient software.
kc85.zig - A KC85 emulator written in Zig
crubit
pacman.zig - Simple Pacman clone written in Zig.
cppfront - A personal experimental C++ Syntax 2 -> Syntax 1 compiler
lion - Where Lions Roam: RISC-V on the VELDT
Odin - Odin Programming Language
gcc
go - The Go programming language
nft_ptr - C++ `std::unique_ptr` that represents each object as an NFT on the Ethereum blockchain
hylo - The Hylo programming language