More Generic Variants of findSplit.*() in Demangling/Parsing

["Nordlöw" via Digitalmars-d-learn]

On Thursday, 14 August 2014 at 20:28:38 UTC, Nordlöw wrote:
> On Thursday, 14 August 2014 at 20:25:20 UTC, Nordlöw wrote:
>> Destroy!
>
> Correction: These algorithms require ForwardRanges.

Ooops, I just realized that we can't express current Phobos 
implementations using my variant. Current algorithms take ranges 
not range values as a needle. My mistake. Are my overloads still 
wanted?