const/immutable on delegates

[Timon Gehr via Digitalmars-d]

On 07/03/2015 10:35 AM, Tofu Ninja wrote:
> On Friday, 3 July 2015 at 02:13:39 UTC, Timon Gehr wrote:
>> 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
>
> -_-
>
> Is that documented anywhere? I can't find anything in the docs that says
> nested functions can have immutable, const, shared, inout attached to
> them. This seems to be a wholly unknown and undocumented feature, and
> the fact that it doesn't work on anonymous delegates seems like it's not
> even fully implemented, like someone started to implement it and stopped
> half way though.

I assume the related commits are listed here: 
https://issues.dlang.org/show_bug.cgi?id=9148

The last of them are after the 2.067.1 release, so maybe it already 
works correctly in master. Otherwise the issue should be reopened.