fast_immutable_collections 1.0.20 fast_immutable_collections: ^1.0.20 copied to clipboard
Immutable lists, sets, maps, and multimaps, which are as fast as their native mutable counterparts. Extension methods and comparators for native Dart collections.
import "package:fast_immutable_collections/fast_immutable_collections.dart";
void main() {
var ilist1 = IList();
print(ilist1); // []
var ilist2 = ilist1.add(1);
print(ilist1); // []
print(ilist2); // [1]
}