Re: [Perl 6] List of length 2 or...

[ikegami]

map @$_ == 2 ? @$_ : (),
is
grep @$_ == 2,

But what kind of sanitation silently discards?

[moritz]

Not quite. grep @$_ == 2 returns $_ for each item, the map solution return @$_.

The equivalent is map @$_, grep @$_ == 2, I think.