"Expressibility" and "expressive power" are vague and subjective, so it's not clear what you mean.
I suppose you object to orthogonality in the syntax? Golang and Java definitely lack it.
But you also mention C in the context of "maximum possible flexibility"? There's barely any in there. I can only agree it has mistakes for others to learn from.
There's hardly any commonality between the languages you list. C# keeps adding clever syntax sugar, while Go officially gave up on removing its noisiest boilerplate.
D has fun stuff like UFCS, template metaprogramming, string mixins, lambdas — enough to create "incomprehensible" code if you wanted to.
You're talking about modern languages vs relics of the past, but all the languages you mention are older than Rust.
Have you ever seen submissions to IOCCC or Underhanded C Code Contest? That is what too much syntactic flexibility looks like (if taken to the extreme).
If you want your code to be secure, you need it to be correct. And in order for it to be correct, it needs to be comprehensible first. And that requires syntax and semantics devoid of weird surprises.
"Expressibility" and "expressive power" are vague and subjective, so it's not clear what you mean.
I suppose you object to orthogonality in the syntax? Golang and Java definitely lack it.
But you also mention C in the context of "maximum possible flexibility"? There's barely any in there. I can only agree it has mistakes for others to learn from.
There's hardly any commonality between the languages you list. C# keeps adding clever syntax sugar, while Go officially gave up on removing its noisiest boilerplate.
D has fun stuff like UFCS, template metaprogramming, string mixins, lambdas — enough to create "incomprehensible" code if you wanted to.
You're talking about modern languages vs relics of the past, but all the languages you mention are older than Rust.