# File ext/tools/generate.rb, line 120 def check_arity(h) invalid = false h.each do |event, list| unless list.map {|line, arity| arity }.uniq.size == 1 invalid = true locations = list.map {|line, a| "#{line}:#{a}" }.join(', ') $stderr.puts "arity crash [event=#{event}]: #{locations}" end end abort if invalid end