opApply and attributes

[solidstate1991]

On Tuesday, 7 July 2020 at 20:53:05 UTC, Ali Çehreli wrote:
> I am not sure whether I understand it correctly but there has 
> been a request for opApply() to gain the attributes of the 
> delegate (or the range?). In other words, "transfer the 
> attributes to opApply". This is needed because I want opApply() 
> to work with any foreach body, attributes of which opApply() 
> cannot know.
>
> I am sure I created an issue on Dlang bug tracker for Weka on 
> this topic but I can't find it now. (Aside: The search boxes on 
> the bug tracker are inferior to the automatic search feature 
> that works when creating a bug.) Anyway, this one seems related:
>
>   https://issues.dlang.org/show_bug.cgi?id=7543
>
> Ali

Something like that, but with @safe, pure, etc. attributes.