[BUG] WeightedContainer: can't iterate while I iterate #413
Description
local cont = WeightedContainer();
cont.add("a", 10);
cont.add("b", 20);
cont.add("c", 30);
cont.add("d", 40);
foreach (k, v in cont) {
print(k + " " + v + "\n")
foreach (k2, v2 in cont) {
print("inner " + k2 + " " + v2 + "\n")
}
}Result:
a 10
inner a 10
inner c 30
inner b 20
inner d 40
AN ERROR HAS OCCURRED [arith op + on between 'null' and 'integer']