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%copy= %orig;

$ ./perl -Ilib -MHash::Util=bucket_array -MData::Dumper -le'my (%hash,
+%copy); keys(%copy)=16; %hash=(1..14); %copy=%hash; print Data::Dumpe
+r->new([bucket_array($_)])->Terse(1)->Indent(0)->Dump for \%hash, \%c
+opy;' 
[['13','5'],1,['7'],['11'],2,['3','1'],['9']]
[3,['11'],3,['9'],['5','13'],1,['7'],3,['1','3'],1]

$ ./perl -Ilib -MHash::Util=bucket_array -MData::Dumper -le'my (%hash,
+%copy); %hash=(1..14); %copy=%hash; print Data::Dumper->new([bucket_a
+rray($_)])->Terse(1)->Indent(0)->Dump for \%hash, \%copy;' 
[['11'],['7'],2,['13','5'],['9','3'],['1'],1]
[['11'],['7'],2,['5','13'],['3','9'],['1'],1]