# File lib/ruby2ruby.rb, line 911 def process_when(exp) src = [] until exp.empty? cond = process(exp.shift).to_s[1..-2] code = indent(process(exp.shift)) code = indent "# do nothing" if code =~ /\A\s*\Z/ src << "when #{cond} then\n#{code.chomp}" end src.join("\n") end