list/list_lower_extensions library

Extensions

IterableToListExtension on Iterable<T>

Convert iterable to list.

IterableToSetExtension on Iterable<T>

Convert iterable to set.

ListLowerExtensions on List<T>

List ops: swap, reverse copy, insert/replace at index, safe get, default if empty. Roadmap #235-241, 396-399.

ListSingleExtension on List<T>

Single element or null.