code: function baseMatchesProperty(key, value) {
    if (isStrictComparable(value)) {
      return function(object) {
        return object != null && object[key] === value &&
          (typeof value != 'undefined' || (key in toObject(object)));
      };
    }
    return function(object) {
      return object != null && baseIsEqual(value, object[key], null, true);
    };
  }
docs: The base implementation of `_.matchesProperty` which does not coerce `key`
  to a string.
  
  @private
  @param {string} key The key of the property to get.
  @param {*} value The value to compare.
  @returns {Function} Returns the new function.