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use strict; my %hash = (); ... print "ref hash: ", \%hash, "\nref copy: ", \%copy, "\n"; print "values hash: ",join(", ", values %hash), "\nvalues copy: ",join +(", ", values %copy), "\n";
copy: ab hash: ab ... ref copy: HASH(0x82ef928) values hash: HASH(0x82e0308), HASH(0x82ef788) values copy: HASH(0x82e0308), HASH(0x82ef788)