function isIterateeCall(value, index, object) {
      if (!isObject(object)) {
        return false;
      }
      var type = typeof index;
      if (type == 'number') {
        var length = object.length,
            prereq = isLength(length) && isIndex(index, length);
      } else {
        prereq = type == 'string';
      }
      return prereq && object[index] === value;
    }
Checks if the provided arguments are from an iteratee call.

@private
@param {*} value The potential iteratee value argument.
@param {*} index The potential iteratee index or key argument.
@param {*} object The potential iteratee object argument.
@returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.