Hi,
So when I'm dealing with ranges, there're a number of times where
I get the front of the returned result of a set of operations,
but of course there is no front so you get an runtime access
error.
In some other languages the concept of "front" or "first" returns
a safe referece, or optional value that calling methods on will
not crash the program.
I'm thinking of maybe making something like
safeFront(R)(R r) {
return r.empty ? SafeRef!(ElementType!R) : SafeRef(r.front);
}
Where SafeRef, I think, can provide an overload for opDispatch
and just forward the calls to the stored reference of r.front. If
the stored reference is null then it can return a SafeRef to the
return value of whatever was being dispatched to.
Is there another way to go about this? Maybe through naturally
using r.front instead of making a r.safeFront alternative?
Cheers
