On Thursday, 12 May 2022 at 15:17:10 UTC, Adam D Ruppe wrote:
It is simpler than it looks, I wrote about it in my book and in a post here:https://forum.dlang.org/post/xklcgjaqggihvhctc...@forum.dlang.org
"Then commas separate the definitions of each placeholder variable, just as if they were template argument definitions [...]"
That... makes sense, I didn't think of them like that.