Consistency

[John Colvin via Digitalmars-d]

On Sunday, 15 February 2015 at 18:15:13 UTC, Meta wrote:
>> print tup1.index(2)   # 2
> No way to do this in D

tup1.expand.only.countUntil(2).writeln;

Admittedly, it's a little longer than expected :)