Any chance to call Tango as Extended Standard Library

[Andrei Alexandrescu]

Jarrett Billingsley wrote:
> On Sun, Jan 18, 2009 at 1:00 PM, dsimcha <dsimcha at yahoo.com> wrote:
>> Nice.  Glad to see that this is documented somewhere so I can start playing with
>> it.  One thing, though:  In my dstats library, I have a custom hash table
>> implementation that's used very heavily in my information theory module.  (I have
>> my reasons for using a custom hash table instead of the builtin, but they're
>> beyond the scope of this post.)  Right now, the hash table uses opApply.  Now that
>> I realize how horribly slow opApply is, I'd like to port this to ranges.  However,
>> I need to be able to iterate over either key, value pairs or just values.  Is
>> there any way to make this work with ranges?
>>
> 
> You could handle key or value iteration by using a proxy struct type
> that follows the range protocol, and have your hash table return one
> of those structs from methods such as "keysIter" or "valuesIter".  But
> unless I'm mistaken, D2 still doesn't support returning tuples, so you
> still can't have keys _and_ values at the same time.  (Unless you're
> content with using a Pair or something.)

Returning a std.typecons.Tuple is entirely possible.

Andrei