Not really golfing here, but there's far too much code in that last
subroutine.
sub build_board_array {
my @board = split //, shift;
s/Q/Qu/ foreach @board;
@board = map {
+{ line => [map +{ letter => $_ }, splice @board, 0, 4 ]};
} 1..4;
return \@board;
}
-- Randal L. Schwartz, Perl hacker
Be sure to read my standard disclaimer if this is a reply.
UPDATE: oops, forgot one arrayref constructor.
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