Hi, I was wondering whether following code can be rewritten using map/grep construct.
class A { has $.a; has $.b; } my @array= ( A.new(a=>'a', b=>'11'), A.new(a=>'a', b=>'22'), A.new(a=>'v', b=>'33'), A.new(a=>'w', b=>'44'), A.new(a=>'v', b=>'55') ); my %hash; for @array -> $elem { %hash{$elem.a}{$elem.b} =$elem; } say %hash.perl; Can it? -- Pozdrawiam Kamil Kułaga