On Saturday, 23 October 2021 at 20:14:25 UTC, solidstate1991
wrote:
If I wanted to check whether the assigned value is within a
range, and I want to throw a certain exception if outside of
it, then how I can do that?
You can't with ref, you will need to do separate getter and
setter
Let's say I have something like this:
```
struct Foo {
int[] bar;
this() {
bar.length = 10;
}
ref int opIndex(size_t i) {
return bar[i];
}
}
void main() {
Foo f = Foo();
f[3] = 15;
}
```
If I wanted to check whether the assigned value is within a
