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sub pp { die "bad number of args to pp" unless @_==1; return Data::Dumper->new([shift])->Terse(1)->Purity(1)->Useqq(1) ->Quotekeys(0)->Sortkeys(1)->Indent(0)->Pair('=>')->Dump; }
BEGIN { if ( eval { require Data::Dump; 1 } ) ... ->Useqq(1)->Quotekeys(0)->Sortkeys(1)->Dump }; } }