assign to Scalar with hash

[Илья]

Hi there,

Rakudo> my $i = { a => 1 }; $i = $i.keys;
Odd number of elements found where hash expected.

Rakudo> my $a = {a => 1}; my $b = {b => 1}; $a = $b;
Cannot morph a Perl6Scalar.

I missed something or that`s  bugs?

Ilya