Passing a single tuple or multiple values

[jmh530 via Digitalmars-d-learn]

On Tuesday, 19 July 2016 at 07:23:52 UTC, John wrote:
>
> auto bar(T...)(T x)
> {
>   static if (T.length == 1 && isTuple!(T[0]))
>     return foo(x.expand);
>   else
>     return foo(x);
> }
>
>>
>> void main()
>> {
>> 	auto x = tuple(1, 2);
>> 	auto y = bar(x);
>> 	auto z = bar(x.expand);
>> 	writeln(y);
>> 	writeln(z);
>> }

I was leaving out the T[0] in the isTuple!