assert or throw in range members?

[H.Loom via Digitalmars-d-learn]

On Friday, 5 August 2016 at 10:25:42 UTC, Nordlöw wrote:
> Should range members front() and back() assert() or throw() on 
> emptyness?
>
> If it should assert() doesn't that lead to unsafer code in 
> release mode?
>
> What's the consensus here?

nothing, but examples exist in pbobos such as front() on narrow 
strings.