[OT] Re: Proposal for custom time string formatting in std.datetime

[Piotr Szturmaj]

Walter Bright wrote:
> My first thought is that std.datetime is already very large. Few will
> need a custom date formatter, so it should be in a separate module to:
>
> 1. reduce cognitive load on the programmer
>
> 2. reduce the overhead pulled in for every program that may want to use
> an std.datetime function, but not need custom formatting

Why not just extract unittest code to separate module?