Function wrap

lib/web/polyfill.js:1773–1782

(fn)

  });
  
  function wrap(fn){
    return function(it){
      assertObject(it);
      try {
        return fn.apply(undefined, arguments), true;
      } catch(e){
        return false;
      }
    }
  }
  
  function reflectGet(target, propertyKey/*, receiver*/){
    var receiver = arguments.length < 3 ? target : arguments[2]