Function accepting variadic arguments

[Daniel Kozak via Digitalmars-d-learn]

On Wednesday, 20 January 2016 at 13:06:14 UTC, pineapple wrote:
> On Wednesday, 20 January 2016 at 12:56:51 UTC, Ali Çehreli 
> wrote:
>> And there is another example here:
>>
>>
>> http://ddili.org/ders/d.en/templates_more.html#ix_templates_more.tuple%20template%20parameter
>>
>> Ali
>
> Thank you!
>
> What's the purpose of "is" in the type checks?

is is use for compare types

>
> Also, how would I utilize isNumeric from std.traits here, in 
> place of checking only for ints?


struct S
  {
      this(Args...)(Args args)
      {
          foreach(Index, Value;args)
          {
              if (isNumeric!(Args[index]))
              {
                  ...
              }
          }
      }
  }