Rust updates

[bearophile]

Walter Bright:

>    auto code() { return cast(ushort)42; }
>
> works fine. There isn't really a lack here, just some more 
> typing. I just don't see the case coming up hardly at all.

I have just found an example (reduced code):


import std.typecons;
void main() {
     alias Tuple!(ubyte[]) Tu;
     auto x1 = Tu([cast(ubyte)0]); // OK
     auto x2 = Tu([0]); // Error
}


D tuples are very strict.

Bye,
bearophile