How can I check if an element is iterable?

[Marcone]

On Sunday, 3 May 2020 at 20:11:58 UTC, Adam D. Ruppe wrote:
> On Sunday, 3 May 2020 at 20:02:09 UTC, Marcone wrote:
>> How can I check if an element is iterable in Dlang?
>
> http://dpldocs.info/experimental-docs/std.traits.isIterable.html

Not working. How can I check if a variable is iterable? Becouse 
my function can receive mult values, and if an value is array or 
tuple I want iterate over it.