Custom Attributes for Function Parameters?

Sun Sep 24 02:06:50 UTC 2017

On Saturday, 23 September 2017 at 23:13:33 UTC, Jerry wrote:
> Is there any reason why custom attributes aren't allowed for 
> function parameters? It'd be useful for my situation to give 
> the parameter some more information. Seems it is allowed in 
> some other languages that have attributes, so was just 
> wondering.

Can you share your use case for them? I'm curious how they could 
be useful.