Compatibility with the latest Dart release:
Usage:
import "package:range/range.dart";
main() {
for (int i in range(3)) {
print (i); //0,1,2
}
for (int i in range(1,5)) {
print (i); //1,2,3,4
}
for (int i in range(0, 8, 2)) {
print (i); //0,2,4,6
}
for (int i in range(0, 10, 3)) {
print (i); //0,3,6,9
}
}