[perl #132032] [BUG] List.new loses Nil

[Zoffix Znet via RT]

On Tue, 05 Sep 2017 03:19:45 -0700, zef...@fysh.org wrote:
> > (3, Nil)
> (3 Nil)
> > List.new(3, Nil)
> (3 (Any))
> 
> It is possible (as it should be) to put Nil into a List, if it's
> constructed using the comma operator.  But constructing it via the
> List.new() constructor replaces the Nil with Any.  I think this is a bug
> in List.new(): it should accept any argument, including Nil, and put it
> into a List.
> 
> -zefram


Also spotting similar behaviour with Map.new. Since (unlike a Hash), it's not 
creating containers for its things, I'd expect it to retain the Nil as Nil.

    m: dd Map.new: ("z", Nil)
    rakudo-moar f925c6: OUTPUT: «Map.new((:z(Any)))␤»