code: function types () {
          var pub = {};
  
          var i;
          var keys = Object.keys(revalidator.validate.types);
          var length = keys.length;
  
          for (i = 0; i < length; i++) {
              pub[keys[i]] = getValidationFunctionForTypesByKey(keys[i]);
          }
  
          return pub;
      }
docs: Check types
  @return {Object}