const/immutable on delegates

[Timon Gehr via Digitalmars-d]

On 07/03/2015 02:26 AM, Tofu Ninja wrote:
> So this idea spawned from a thread I posted over in learn[1]. Similar to
> how you can mark a member function as const or immutable, there should
> be a way to mark a delegate as const or immutable.
>...
>
> Thoughts?
>

https://issues.dlang.org/show_bug.cgi?id=14745