method

lastIndexOf

Source

/**
 * Returns the last index of [element] in this list.
 *
 * Searches the list backwards from index [start] to 0.
 *
 * The first time an object [:o:] is encountered so that [:o == element:],
 * the index of [:o:] is returned.
 *
 *     List<String> notes = ['do', 're', 'mi', 're'];
 *     notes.lastIndexOf('re', 2); // 1
 *
 * If [start] is not provided, this method searches from the end of the
 * list./Returns
 *
 *     notes.lastIndexOf('re');  // 3
 *
 * Returns -1 if [element] is not found.
 *
 *     notes.lastIndexOf('fa');  // -1
 */
int lastIndexOf(E element, [int start]);