Challenge

[Manu via Digitalmars-d]

On 4 October 2016 at 05:01, Jonathan M Davis via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On Monday, October 03, 2016 11:13:52 Jonathan M Davis via Digitalmars-d wrote:
>> template isStaticMember(T, string member)
>> {
>>     static if (!__traits(hasMember, T, member))
>>         enum bool isStaticMember = false;
>>     else
>>     {
>>         import std.meta : AliasSeq;
>>         import std.traits : FunctionTypeOf;
>>         alias sym = AliasSeq!(__traits(getMember, T, member))[0];
>>
>>         static if (__traits(isStaticFunction, sym))
>>             enum bool isStaticMember = true;
>>         else static if (is(FunctionTypeOf!sym == function) &&
>>                         is(FunctionTypeOf!(typeof(&sym)) == function))
>>         {
>>             enum bool isStaticMember = false;
>>         }
>>         else
>>         {
>>             enum bool isStaticMember = !__traits(compiles, sym.offsetof) &&
>>                                        __traits(compiles, &sym);
>>         }
>>     }
>> }
>
> Well, since I took the time to write it, I created a PR for it:
>
> https://github.com/dlang/phobos/pull/4834
>
> So, if anyone sees problems with my implementation, go poke holes in it.
>
> - Jonathan M Davis
>

I'm feeling John's solution is a little bit simpler. But nice work, thanks!