class Proc

def to_ruby
  ruby = self.to_method.to_ruby
  ruby.sub!(/\A(def \S+)\(([^\)]*)\)/, '\1 |\2|')     # move args
  ruby.sub!(/\Adef[^\n\|]+/, 'proc { ')               # strip def name
  ruby.sub!(/end\Z/, '}')                             # strip end
  ruby.gsub!(/\s+$/, '')                              # trailing WS bugs me
  ruby
end