For the second loop one possible alternative behavour is to
refuse a ubyte index and accept only a size_t index if it loops
on a dynamic array.
Another alternative is: the i variable can go from 0 to 255,
then go up to the modulus of the remaining indexes, and then
stop.
In this program the assignment to x1 is accepted, but the
assignments to x2 and x3 are refused:
void main() {
int[200] data1;
ubyte x1 = data1.length;
int[300] data2;
ubyte x2 = data2.length;
auto data3 = new int[300];
ubyte x3 = data3.length;
}
So I think the simplest solution is to refuse this code, because
like the assignment of x3 it tries to assign a size_t value
unknown at compile time to an ubyte:
void main() {
int[300] data;
foreach (ubyte i, x; data[]) {}
}
Bye,
bearophile
