On Fri, 02 Jun 2017 05:26:14 -0700, c...@zoffix.com wrote: > Some discussion: https://irclog.perlgeek.de/perl6-dev/2017-06- > 02#i_14675550 > > The crux of it is the type of `+@` slurpy changes, depending on the > input, though on further examinations it seems only Seq is affected: > > m: sub grab(+@a) { dd @a }; grab %(:42a, :72b); grab (1, (2, 3)); grab > [1, (2, 3)]; grab (1, (2, 3)).Seq > rakudo-moar 348891: OUTPUT: «[:a(42), :b(72)][1, (2, 3)][1, (2, > 3)](1, (2, 3))» > > In all of the examples above, the `@a` ends up being an Array, except > for the last case (with Seq input), where it's a List. > > This leads to two issues: > 1) The inner list of the Seq did not get containerized, so we have > inconsistencies in how the `+@` slurpy flattens > 2) The List is immutable, so doing something like `@a[42] = 70` is > currently never safe with a `+@` slurpy, because > for some inputs it might end up being a List. > > Seems like the Seq case needs fixing so it ends up being an Array as > well.
Closing this in favour of https://github.com/rakudo/rakudo/issues/1355 , which points out additional inconsistencies.
