Tuples a first class feature, manu's new unary operator and named arguments

[Per Nordlöw]

On Saturday, 9 May 2020 at 03:04:45 UTC, Walter Bright wrote:
> Keep in mind that as of recently, AliasSeq!(1,2,3) generates a 
> tuple directly without going through the template instantiation 
> mechanism.

Nice. I still think a builtin syntax including pattern matching 
is needed, though.