[OSM-dev] [OSM-talk] Handling of towns with different or alternative names

[Dave Stubbs]

2009/1/28 Tom Hughes <tom at compton.nu>:
> Simon Ward wrote:
>> On Wed, Jan 28, 2009 at 12:30:01AM +0000, Tom Hughes wrote:
>>> In practice keys are unique because although the API has never enforced
>>> uniqueness pretty much every client does because all the clients use a
>>> hash table of some sort to store tags.
>>
>> Hash table, or associative array/hash/dictionary?  Hash tables have
>> mechanisms to deal with collisions.  I suppose I should just look at the
>> code…
>
> Yes, OK, I was being a little imprecise. I was referring to the kind of
> associative array/hash/dictionary that is exposed to the user in many
> languages and which commonly does not allow duplicates.
>


And in Java is called Hashtable :-)

(although everybody uses HashMap these days)

Dave