rem: return new Vector.Abstract(elements); 
add: var V = new Vector.Abstract(); V.setElements(elements); return V; 
context:   create: function() {    var elements;    if (arguments[0] == undefined) {      return null;    } else {      if (arguments[0][0] == undefined) {        elements = arguments;      } else {        elements = arguments[0];      }      if (elements.length < 1) {        return null;      } else {        return new Vector.Abstract(elements);      }    }  }
meta: 3877	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3877/5342f77e527065daffa19bf795180e4a4cdb069b/jsmetric.src.js/buggy/jsmetric.src.js