Can't get UDAs of constants (enums) !

Meta via Digitalmars-d digitalmars-d at puremagic.com
Sat Jun 24 10:53:53 PDT 2017


On Saturday, 24 June 2017 at 17:42:48 UTC, Johan Engelen wrote:
> This code no longer compiles (regression since 2.072, [1]):
> ```
> module example;
> import std.meta: staticIndexOf;
>
> struct Attrib {}
>
> @Attrib enum TEST = 123;
>
> void foo() {
>     foreach(name; __traits(allMembers, example)) {
>         pragma(msg, name);
>         pragma(msg, __traits(getAttributes, __traits(getMember, 
> example, name)));
>     }
> }
> ```
>
> Does anybody know a workaround? (the intent is to loop over all 
> module members that have a certain UDA applied)
> It's currently blocking Weka from updating to a newer compiler. 
> :(
>
> You can play with code live here: https://godbolt.org/g/G8Yw59
> Switch between LDC 1.1.0 (dlang 2.071) and LDC 1.2.0 (dlang 
> 2.072).
>
> Thanks,
>   Johan
>
> [1]  https://issues.dlang.org/show_bug.cgi?id=17545

Looks like I responded a bit too quickly; I didn't even read the 
title so I didn't notice that you already identified the actual 
cause. Sorry for the redundant post.


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