I do enjoy programming in C++11 style. What I like the most is that once you understand the quirks, you would see a lot of opportunities to improve performance but only when necessary (Like using moving semantics if you have to pass a big object through several function calls)

Also STL has improved a lot and I am very happy that I don't need to include a huge dependency such as Boost or POCO just to have a hash table for instance.

"You shouldn't have to include any libraries"

"you shouldn't have to rewrite some code that does something that's already available and well-written"

How are those not contradictions?

You tell the compiler what data type you're trying to use, and it finds a high-performance implementation for you over the internet.

That sounds incredibly safe.

Have you tried it? Or are you just imagining an extremely terrible implementation of the idea so you can write short quips about how bad it must be?

For basically every piece of software I work on this would have horrible security implications. Let me spell it out in black and white: every time someone does a deployment, by default it will download code from the internet and incorporate it into production code. All one would need do is subvert one external code provider and they'd have the ability to inject code into countless production systems at will. How much do you trust github or bitbucket? Would you give them the keys to your business, and your customer accounts?

Compile time never sounded so fun