'in' syntax for searching arrays

[Bill Baxter]

Walter Bright wrote:
> Denton Cockburn wrote:
>> I just figure it's done often enough that adding it wouldn't be hard,
>> especially considering the keyword is already there, and with the same
>> general meaning.
> 
> With AAs, the 'in' expression looks for the key, not the value. It would 
> be inconsistent to overload it to search for values in regular arrays.

A foolish consistency.  Arrays and associative arrays are different things.

--bb