FWIW bisectable points to (2017-06-25) https://github.com/rakudo/rakudo/commit/a2133dbc6a00d1f87bb0644c829591144381d736
( before that it was giving bag(a, b) or bag(b, a) ) On 2018-03-24 01:43:59, elizabeth wrote: > That does indeed look wrong to me, investigating > > > On 23 Mar 2018, at 15:04, Nick Wellnhofer (via RT) <perl6-bugs- > > follo...@perl.org> wrote: > > > > # New Ticket Created by Nick Wellnhofer > > # Please include the string: [perl #133016] > > # in the subject line of all future correspondence about this issue. > > # <URL: https://rt.perl.org/Ticket/Display.html?id=133016 > > > > > > > I get an unexpected result when subtracting a List from a Bag with > > the set > > difference operator (-). Subtracting Bags from Lists or Bags works > > fine, as > > does the baggy addition operator: > > > > say bag(<a b>) (+) bag(<a a>); # Bag(a(3), b) > > say bag(<a b>) (+) <a a>; # Bag(a(3), b) > > say <a b> (+) bag(<a a>); # Bag(a(3), b) > > > > say bag(<a a a b>) (-) bag(<a a>); # Bag(a, b) > > say bag(<a a a b>) (-) <a a>; # Bag(a(2), b) seems wrong > > say <a a a b> (-) bag(<a a>); # Bag(a, b) > > > > Only tested online on tio.run > > > > Rakudo version 2017.12 built on MoarVM version 2017.12 > > implementing Perl 6.c. > > > > and code-golf.io: > > > > Rakudo version 2018.03 built on MoarVM version 2018.03 > > implementing Perl 6.c > > > > Nick
