https://issues.dlang.org/show_bug.cgi?id=2504: reserve for associative arrays

[Era Scarecrow via Digitalmars-d]

On Thursday, 3 November 2016 at 21:00:56 UTC, Yuxuan Shui wrote:
> How about let the user provide the memory block when they calls 
> reserve()?

  I'd love to see this type of option almost everywhere.