Void pointers

[ag0aep6g via Digitalmars-d-learn]

On 05/17/2016 12:53 PM, Alex wrote:
> 2. If I want to be able to slice a iota, I have to initialize it with
> the last number. But the object, which stores the pointer does not need
> to know anything about this number. So, I rather would not like to pass
> this number only for being able to instantiate the iota struct.

How do you make a slice without the last number? You need two numbers 
for iota, and you need two numbers for a slice.