How do you remove/insert elements in a dynamic array without allocating?

[thedeemon]

On Wednesday, 7 November 2012 at 06:44:11 UTC, Jonathan M Davis 
wrote:
> On Wednesday, November 07, 2012 04:45:04 Malte Skarupke wrote:
>> I don't anticipate that I will ever run into a situation where 
>> I want to append to a range without caring about whether it
>> allocates and copies or not. If I want to append to a range, I
>> will write the extra line to create a copy manually.
>> Because of that I don't need the syntactic ambiguity of 
>> treating
>> a range the same as an array.
>
> In general, you can't append to ranges.

I assume Malte really meant slices, not ranges.