Using tango with dub

[bauss via Digitalmars-d-learn]

On Saturday, 17 December 2016 at 15:46:20 UTC, albert-j wrote:
> I am trying to use Tango in a dub project because I need a 
> HashSet. I added Tango as a dependency to the dub.json, but now 
> dub gives me a bunch of depreciation warnings and a few errors, 
> like
>
> ../../../.dub/packages/tango-1.0.3_2.068/tango/tango/util/log/Log.d(349,51): Error: undefined identifier '__va_argsave', did you mean struct '__va_argsave_t'?
>
> What am I missing?

I thought Tango was obsolete a long time ago.

Is there a specific reason you need to use Tango and can't use 
Phobos?