length property

  1. @override
int length
override

The number of objects in this list.

The valid indices for a list are 0 through length - 1.

final numbers = <int>[1, 2, 3];
print(numbers.length); // 3

Implementation

@override
int get length => _rows.length;
  1. @alwaysThrows
  2. @override
void length=(int newLength)
override

This operation is not supported by an unmodifiable list.

Implementation

@alwaysThrows
@override
set length(int newLength) {
  throw UnsupportedError(
      'Cannot change the length of an unmodifiable list');
}