On Wednesday, 24 May 2023 at 14:28:52 UTC, Quirin Schroll wrote: > Yes, the syntax is awful. It should have been > `__vector(bool[n])`: How would that interact with things like `sign.sizeof`? I wrote about some of these things in more detail here btw: http://dpldocs.info/this-week-in-d/Blog.Posted_2022_09_12.html#bitfields