Does reserve() preallocate for futher appends too?

[bachmeier]

On Monday, 1 March 2021 at 03:07:19 UTC, Jack wrote:
> isn't clear for me if reserve() does preallocate memory so that 
> that operator like arr ~= x can use previously allocate memory 
> by reserve() or it's just used in slices like b = arr[x .. y]?

You may potentially find this article of use:

https://dlang.org/articles/d-array-article.html