From: "Geo" 

"Mike N."  wrote in message
news:8r99p0t8iip4qvea6bclngd47v258f5o67{at}4ax.com...

>   map counts;
>   counts[555] = 4;
>   counts[1832873] = 7;
>
>   This allocates only 2 elements instead of allocating a complete linear
> array from [0..1832873].

very efficient, so what happens if you then set

counts[555]=0

does it give back the space?

>   map counts;
>  string email='miken{at}example.com';
>  string email2='georger{at}nls.net';
>   counts[email] = 4;
>   counts[email2] = 7;
>
> The formal description is a container designed to provide direct access to
> store and retrieve elements via search keys.   A map container stores
> values associated with those keys.

I'm not sure I fully understand how this works but it looks pretty slick,
is it actually setting up 2 arrays to do this because the map function
looks like what I've always thought of as an array in a language where you
have a string$ type variable.

Geo.

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