This change of behaviour turned out to be a regression. This was fixed
reported in https://github.com/rakudo/rakudo/issues/4039 and fixed with
https://github.com/rakudo/rakudo/commit/3e10cc6f8a
> On 18 Nov 2020, at 18:46, William Michels via perl6-users
> <perl6-us...@perl.org> wrote:
>
> user@mbook:~$ raku
> Welcome to 𝐑𝐚𝐤𝐮𝐝𝐨™ v2020.10.
> Implementing the 𝐑𝐚𝐤𝐮™ programming language v6.d.
> Built on MoarVM version 2020.10.
>
> You may want to `zef install Readline` or `zef install Linenoise` or use
> rlwrap for a line editor
>
> To exit type 'exit' or '^D'
> > say $*PERL.version;
> v6.d
> > say $*PERL.compiler.version;
> v2020.10
> > say ({ 1 | -1 } ... *)[^3];
> ((any(1, -1)) (any(1, -1)) (any(1, -1)))
> > say ({ 1 | -1} ... *)[^3].flat
> (any(1, -1) any(1, -1) any(1, -1))
> >
>
> .flat works. Not clear to me why it changed though. --B.
>
> On Tue, Nov 17, 2020 at 3:30 AM Ralph Mellor <ralphdjmel...@gmail.com> wrote:
> https://github.com/rakudo/rakudo/issues/4039
>
> On Tue, Nov 17, 2020 at 3:12 AM yary <not....@gmail.com> wrote:
> >
> > Open a bug report at https://github.com/rakudo/rakudo/issues/ showing the
> > change in behavior
> >
> > -y
> >
> >
> > On Mon, Nov 16, 2020 at 4:39 PM Ralph Mellor <ralphdjmel...@gmail.com>
> > wrote:
> >>
> >> say $*PERL.version; # v6.d
> >> say $*PERL.compiler.version; # v2018.12
> >> say ({ 1 | -1 } ... *)[^3]; # (any(1, -1) any(1, -1) any(1, -1))
> >>
> >> say $*PERL.version; # v6.d
> >> say $*PERL.compiler.version; # v2020.07
> >> say ({ 1 | -1 } ... *)[^3]; # ((any(1, -1)) (any(1, -1)) (any(1, -1)))
