color lib

[Nicholas Wilson via Digitalmars-d]

On Sunday, 9 October 2016 at 08:25:40 UTC, Nicholas Wilson wrote:
> How?  All you need is an extra `each` e.g. 
> r.inBatchesOf!(8).each!(a =>a[].map!(convertColor!RGBA8))
>
> perhaps define a helper function for it that does each + the 
> explicit slice + map, but it certainly doesn't scream 
> completely different API to me.

Ha, realised I went full circle. Still might be useful if the 
compiler is able to use the fact that the range is a multiple of 
N (particularly is N is a power of 2).
  Are you able to apply arbitrary attributes to the delegate 
passed (i.e. things like @fastmath)?