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The C++ learning process
(aussie.zone)
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this post was submitted on 02 Sep 2024
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Jokes aside, I struggle more with abominations like JavaScript and even Python.
Python has its quirks, but it’s much much cleaner than js or c++, not fair to drag it down with them imo
I think the thing with C++ is they have tried to maintain backward compatibility from Day 1. You can take a C++ program from the 80s (or heck, even a straight up C program), and there's a good chance it will compile as-is, which is rather astonishing considering modern C++ feels like a different language.
But I think this is what leads to a lot of the complexity as it stands? By contrast, I started Python in the Python 2 era, and when they switched to 3, I was like "Wow, did they just break hello world?" It's a different philosophy and has its trade-offs. By reinventing itself, it can get rid of the legacy cruft that never worked well or required hacky workarounds, but old code will not simply run under the new interpreter. You have to hope your migration tools are up to the task.
C++ is not a superset of C.
There were breaking changes between C and C++ (and some divergent evolution since the initial split) as well as breaking changes between different releases of C++ itself. I am not saying these never happened, but the powers that be controlling the standard have worked hard to minimize these for better or worse.
If I took one of my earliest ANSI C programs from the 80s and ran it through a C++23 compiler, I would probably need to remove a bunch of
registerstatements and maybe check if an assumption of 16-bitintis going to land me in some trouble, but otherwise, I think it would build as long as it's not linking in any 3rd party libraries.