extend "in" to all array types

[Jakob Ovrum]

On Thursday, 16 January 2014 at 07:28:43 UTC, luka8088 wrote:
> On 15.1.2014. 16:30, pplantinga wrote:
>> In python, I really like the ability to check if an element is 
>> in an array:
>> 
>> if x in array:
>>   # do something
>> 
>> D has this, but only for associative arrays. Is there any 
>> chance we
>> could extend this to every kind of array?
>
> D array uses this operator for checking against array keys, not 
> values.

It makes sense for sorted arrays, as they make good sets.

That said, it makes the most sense to limit opBinaryRight!"in" to 
SortedRange.