text: var acute = require("../acute");
  
  exports.bind = function ( element, attrValue, attrs, scope ) {
    var evalFn = acute.parser.parse(attrValue);
    if ( evalFn.watches ) {
      var updateFn = function () {
        var result = evalFn(scope);
        acute.element(element).toggleClass("ac-hide", !Boolean(result));
      };
      scope.watch(evalFn.watches, updateFn);
    }
  };
  
  exports.unbind = function () {
  };
  