       when 'ThrowStatement'
         await interp node.argument, env, defer(e, result)
         return cont(e || new JSException result)
-      when 'TryStatement'        
+      when 'TryStatement'
         await interp node.block, env, defer(errorInTry, result)
         if errorInTry instanceof JSException and node.handlers.length > 0
           catchEnv = env.increaseScope true

        arr = []
        for el in node.elements
          await interp el, env, defer(e, elValue)
          return cont(e) if e?          
          arr.push elValue
        return cont(null, arr)
      else

  await interp parsed, new Environment, defer(e, result)
  throw e if e?
  result
