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

[Tom Hughes]

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.

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/