lastIndexWhere method

  1. @override
int lastIndexWhere (bool test(E element), [ int start ])
override

Returns the last index in the list that satisfies the provided test.

Searches the list from index start to 0. The first time an object o is encountered so that test(o) is true, the index of o is returned.

List<String> notes = ['do', 're', 'mi', 're'];
notes.lastIndexWhere((note) => note.startsWith('r'));       // 3
notes.lastIndexWhere((note) => note.startsWith('r'), 2);    // 1

Returns -1 if element is not found.

notes.lastIndexWhere((note) => note.startsWith('k'));    // -1

Implementation 

@override
int lastIndexWhere(bool test(E element), [int start]) =>
    delegate.lastIndexWhere(test, start);