def _(&b)$><<->(x){x ? (String===x ?x.upcase: (Class===x ? x : x.class).name[$a?0:($a=5)]): " "}[ begin b[];rescue Exception;$!;end ] end _ { yield } _ { method(:p).unbind } _ { eval "{ " } _ { Thread.current.join } _ { nil } _ { select } _ { ruby } _ { self.class } _ { Thread.current.group } _ { nil.to_h } _ { "\xFF".encode("big5") } _ { raise } _ { [0][1] } _ { Regexp.compile "*" } _ { RUBY_COPYRIGHT[32] } _ { binding } _ { :s.class.name[1] } _ { warn } _ { [a: :b][0] } _ { methods } _ { IO.class } _ { {}.fetch(0) } _ { open " " } _ { 1000000.chr }