code: function into(impl) {
      /**
       * @param {string} selector
       * @param {Document|Element} [context]
       */
      return function(selector, context) {
          var callContext = this,
              extra;
  
          if (typeof selector === "string") {
              if (context && context.querySelector) {
                  extra = Array.prototype.slice.call(arguments, 2);
              } else {
                  extra = Array.prototype.slice.call(arguments, 1);
                  context = document;
              }
              
              select(selector, context, function(elem) {
                  impl.apply(callContext, [elem].concat(extra));
              });
          } else {
              impl.apply(callContext, arguments);
          }
      };
  }
docs: Create function composition which passes each selected element to a base
  function.
  @param {function} impl
  @returns {function}