intersperse 1.0.0+2

Insert an element between each element of an Iterable or List.

intersperse

Put an element between each element of an Iterable.

    final list1 = intersperse(2, <int>[]); // [];
    final list2 = intersperse(2, [0]); // [0];
    final list3 = intersperse(2, [0, 0]); // [0, 2, 0];
    final list1Outer = intersperseOuter(2, <int>[]); // [];
    final list2Outer = intersperseOuter(2, [0]); // [2, 0, 2];
    final list3Outer = intersperseOuter(2, [0, 0]); // [2, 0, 2, 0, 2];