function baseMatches(source) {
	      var matchData = getMatchData(source);
	      if (matchData.length == 1 && matchData[0][2]) {
	        var key = matchData[0][0],
	            value = matchData[0][1];

	        return function(object) {
	          if (object == null) {
	            return false;
	          }
	          return object[key] === value && (value !== undefined || (key in toObject(object)));
	        };
	      }
	      return function(object) {
	        return baseIsMatch(object, matchData);
	      };
	    }
The base implementation of `_.matches` which does not clone `source`.

@private
@param {Object} source The object of property values to match.
@returns {Function} Returns the new function.