Source
String get single { int len = this.length; if (len == 1) { return getItem(0); } if (len == 0) throw new StateError("No elements"); throw new StateError("More than one element"); }
String get single { int len = this.length; if (len == 1) { return getItem(0); } if (len == 0) throw new StateError("No elements"); throw new StateError("More than one element"); }