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my $h = from_json( to_json( { a => 1, b => 2, c => [ 1..10 ], d => { ' +a'..'z' } } ) );;
my %h = %{ from_json( to_json( { a => 1, b => 2, c => [ 1..10 ], d => +{ 'a'..'z' } } ) ) };; print $h{a};; 1