From @masak

<masak> rakudo​: say undef ~~ undef; say undef & undef ~~ undef
<p6eval> rakudo 33276​: OUTPUT[1␤0␤]
<masak> what's going on there?
<moritz_> rakudobug!
<masak> finally :)

From @bacek

On Thu Nov 27 14​:16​:17 2008, masak wrote​:

<masak> rakudo​: say undef ~~ undef; say undef & undef ~~ undef
<p6eval> rakudo 33276​: OUTPUT[1␤0␤]
<masak> what's going on there?
<moritz_> rakudobug!
<masak> finally :)

Actually, it's just lack of Junction autothreading. Becasue (undef &
undef) creates Junction which is defined.

--
Bacek

The RT System itself - Status changed from 'new' to 'open'

From @pmichaud

As of r35397​:

$ ./parrot perl6.pbc

say undef ~~ undef;
1
say undef & undef ~~ undef;
Junction<0xb6ec3a50>
say (undef & undef ~~ undef).perl;
all(1)

Assigning ticket to moritz++ so we can verify that appropriate tests are
in the suite.

Thanks!

Pm

From @moritz

On Sun Jan 11 00​:26​:37 2009, pmichaud wrote​:

As of r35397​:

$ ./parrot perl6.pbc

say undef ~~ undef;
1
say undef & undef ~~ undef;
Junction<0xb6ec3a50>
say (undef & undef ~~ undef).perl;
all(1)

Assigning ticket to moritz++ so we can verify that appropriate tests are
in the suite.

Added to t/spec/S03-junctions/misc.t.

Cheers,
Moritz

@moritz - Status changed from 'open' to 'resolved'