Uncallable delegates

[Walter Bright]

On 5/13/2026 1:30 PM, Dukc wrote:
> Returning to the DIP, the issue with the present rules are that calling a 
> `const` delegate (or equally `immutable`, `shared` or `inout` delegate) without 
> the `const` for the context parameter is allowed. It shouldn't be, just like the 
> equivalent function pointer rewrite we just discussed isn't. My DIP is proposing 
> disallowing it, along with changes to the qualifier casting rules of delegates.

I'm glad we are understanding each other better.

I'm not convinced the proposed change improves things.