Traits mega template

[Per Nordlöw]

On Sunday, 10 August 2025 at 16:27:00 UTC, monkyyy wrote:
> Thats not always possible

Please give references to specific Phobos traits along with 
descriptions to back these claims.

>  header `if` resolve to an expression and there are questions 
> that are iterative such as all the listing the members of a 
> struct and finding some function inside matches

I don't understand what you mean by this. Please explain further.