#CPlusCplus
LightNews LightNews
maxp.mastodon.uno.ap.brid.gy
In this second installment of the C++ vs. Scala comparison, some Scala-specific constructs, such as singletons and lazy variables, are analyzed and presented to the C++ programmer.

#cpp #cpluscplus #cpluscplusfp
#scala #functionalprogramming […]
Original post on mastodon.uno
mastodon.uno
October 29, 2025 at 8:32 PM
xchaos.f.cz.ap.brid.gy
https://www.theregister.com/2025/03/02/c_creator_calls_for_action/
C++ creator Bjarne Stroustrup calls for help to defend programming language from 'serious attacks'

#cpluscplus #c #rust #programming
C++ creator calls for action to address 'serious attacks'
Bjarne Stroustrup wants standards body to respond to memory-safety push as Rust monsters lurk at the door
www.theregister.com
October 22, 2025 at 8:17 AM
shafik.bsky.social
What is the stock markets least favorite qualifier?
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
volatile 🥁

#CPlusCplus
April 8, 2025 at 1:34 AM
shafik.bsky.social
post-Hagenberg C++ mailing: www.open-std.org/jtc1/sc22/wg...

#CPlusCplus
ISO/IEC JTC1/SC22/WG21 - Papers 2025
www.open-std.org
March 20, 2025 at 1:05 AM
shafik.bsky.social
What kind of member functions don't bankers like?
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Defaulted ones 🥁

#CPlusCplus
March 20, 2025 at 1:03 AM
shafik.bsky.social
What You Need to Know when Optimizations Changes the Behavior of Your C++ 😱: shafik.github.io/c++/undefine...

#CPlusCplus
It is often said by those who have been around C++ for a long time that: “If the behavior of your program changes when using some level of optimization, then it is likely you have undefined behavior”. This is not to say that there are no compiler bugs they do happen but chances are what you are seeing is likely not a compiler bug. While this is all true, there is a catch here. If someone suspects they may have undefined behavior, how do they find it? It feels like one of those punchlines to a joke, “Sure everything you told me is true but I am no better off than I was before I asked!”. It is a great question and sadly, I don’t have one simple answer to catch them all. What I can do is give you a set of approaches that for a good number of cases should help you prove or get you closer to eliminating the possibility of undefined behaviors being the cause of your problem.
February 11, 2025 at 9:05 PM
shafik.bsky.social
Books titles ostensibly not about C++ but could be

#CPlusCplus
Book with the title POD which is plain old data type in C++
December 28, 2024 at 9:21 PM
shafik.bsky.social
Cursed code

Using emoji with static_assert

See the output from various compilers: godbolt.org/z/GTKn99cKW

#CPlusCplus
int main() { static_assert( false, "🐔🧟‍♂️🌽💩") ; } Output from various compilers: clang: <source>:2:19: error: static assertion failed: 🐔🧟‍♂️🌽💩 2 | static_assert( false, "🐔🧟<U+200D>♂️🌽💩") ; | ^~~~~ 1 error generated. Compiler returned: 1 gcc: <source>: In function 'int main()': <source>:2:19: error: static assertion failed: 🐔🧟‍♂️🌽💩 2 | static_assert( false, "🐔🧟‍♂️🌽💩") ; | ^~~~~ Compiler returned: 1 msvc: example.cpp <source>(2): error C2338: ??????????? Compiler returned: 2 edg: "<source>", line 2: error: static assertion failed with "?????????????????????????" static_assert( false, "🐔🧟‍♂️🌽💩") ; ^ 1 error detected in the compilation of "<source>". Compiler returned: 2
December 6, 2024 at 7:26 PM
shafik.bsky.social
New Blog post
"Triaging clang C++ frontend bugs":

shafik.github.io/c++/llvm/202...

Everything you wanted to know about triaging clang frontend bugs but were afraid to ask.

#CPlusCplus
#llvm
Triaging clang C++ frontend bugs
Blog about C++, C, Undefined Behavior and Compilers
shafik.github.io
October 23, 2024 at 3:30 AM
shafik.bsky.social
New blog post "Why do we need an Undefined Behavior Annex for the C++ standard?": community.intel.com/t5/Blogs/Tec...

#CPlusCplus
A Comprehensive Reference for Undefined Behavior Currently, this proposed comprehensive reference for undefined behavior does not exist. If you are a developer attempting to understand what undefined behaviors you need to avoid, you must refer to the 2000+ page C++ standard document and the 20+ years of defect reports. To add to this challenge, undefined behavior can be referred to in the document using several different phrases: the behavior of the program is undefined has undefined behavior results in undefined behavior the behavior is undefined have undefined behavior is undefined result has undefined behavior Then, after finding each undefined behavior entry, there may not be an example. Therefore, it may be unclear how the undefined behavior works. This is a daunting task even for a very knowledgeable C++ developer. This also hinders tool developers from building tools to make software more secure, as well as researchers in software safety and security.
February 29, 2024 at 2:49 AM