On Fri Aug 20 04:39:00 2010, masak wrote: > <blixtor> perl6: sub foo { my $s; for 1..3 { $s += $_ } } ; say foo() > <p6eval> rakudo e45bf6: OUTPUT«666» > <blixtor> what is the rationale for this returning '666' > <jnthn> We embeded the devil in Rakudo. > <jnthn> Also, for in Perl 6 is just a synonym for "map" > <blixtor> and it's leaking from time to time, I see ;) > <jnthn> So you're doing something like > <jnthn> (1..3).map: { $s += $_ } > <jnthn> Which returns $s since that's the last thing you touched > <jnthn> So you end up with a list with $s in it 3 times > <blixtor> ahh, ok, that explains the difference to perl5, which > doesn't return anything > <jnthn> Yes, it's a difference from Perl 5. > <masak> why doesn't that return 136, though? > <masak> that's what I'd expect. > <sorear> masak: because Rakudo map is rw > <sorear> it's not supposed to be > <sorear> in theory, take should decontainerize > * masak submits rakudobug > <masak> it's in there, I'm sure. > <masak> but it's nice to have this example on file. > <sorear> like return > <masak> aye. > <jnthn> erm > <jnthn> what? > <jnthn> We never returned or taked here > <masak> true. > <masak> which is why it's a different ticket, I now realize :) > <sorear> jnthn: map is implemented using take > <jnthn> sorear: No. > <jnthn> sorear: Well, it *may* be. > <jnthn> sorear: But it certainly doesn't have to be. > <jnthn> (That is, nothing in the spec says it needs to be.) > <jnthn> morning, takadonet > <jnthn> Anyway, it maybe should be decontainerizing somewhere here too > <sorear> jnthn: well, in any case, the same underlying LTA is causing > both > <jnthn> I'm just not sure where. > <jnthn> Anyway, a ticket does no harm and makes sure we don't forget > the issue.
Behavior has changed: 12:50 < [Coke]> perl6: sub foo { my $s; for 1..3 { $s += $_ } } ; say foo() 12:50 <+camelia> rakudo-{parrot,jvm,moar} 60cd9d: OUTPUT«Nil» -- Will "Coke" Coleda