my $foo = (1,2,3); # assigns 3 to $foo

##</code><code>##

my %bar = (
  a => 'A',
  b => 'B',
  c => 'C',
  d => 'D',
);

my $broken_count  = @bar{'a', 'b'};
my $working_count = map {$_} @bar{'a', 'b'};

print "broken_count : $broken_count\n";  # B
print "working_count: $working_count\n"; # 2