version as an expression?

[ryuukk_]

I remember what one person told one not long ago: "stop using 
other languages as an example, just use that if that's what you 
want"

I'm forced again, let's look at other languages, zig for example:


```
const socket_t = switch (builtin.os.tag) {
     .windows => usize,
     else     => i32
};
```

caveat: it require importing "builtin", but it's very small, and 
doesn't have any other inter module dependency, it's just data, 
evaluated at compile time:


Will we stick to what C did 50 years ago, or we are ready to move 
on and improve the language beyond what C can offer? (no, 'std' 
doesn't count as improving the language)

I don't particularly like zig, but if D is stuck in the past and 
we can't expect improvements, and all the solutions will be on 
phobos instead, then i'll find it as dreadful to use as zig, and 
at this point using zig would feel better

"Why do you hate phobos this much?"

It's not that i hate it, it serve a purpose, offer a set of API 
ready to use

The problem is i target esoteric platforms that the language 
doesn't want to acknowledge (WASM), so i can't use it, that's as 
simple as that

And the performance profile is not aligned with what i expect, so 
i can't use it because of that too

I am also against Exception Handling, so i can't use it for that 
too

I want to control the memory usage, so i can't use it for that too

This is why i expect D to be usable, and to receive improvements 
without having to subscribe to Phobos, wich i don't want to do, 
hence my suggestions