Re: [Vala] Problem with Gee

[Jamie McCracken <jamie mccrack googlemail com>]

On Sun, 2009-10-04 at 16:29 +0200, Nicolas wrote:
> Hi,
>
> I'm trying to use the Gee library, but i have a problem;
> This is the code taken from the vala site:
>
> using Gee;
>
> static int main (string[] args) {
>
>     var map = new HashMap<string, int> ();
>     map.set ("one", 1);
>     map.set ("two", 2);
>     map.set ("three", 3);
>     map["four"] = 4;            // same as map.set ("four", 4)
>     map["five"] = 5;
>     foreach (string key in map.keys) {
>         stdout.printf ("%d\n", map[key]);       // same as map.get (key)
>     }
>
>     return 0;
> }
>
> My question is, why when i execute this, the result is:
> 4
> 3
> 1
> 2
> 5
>
> And not:
> 1
> 2
> 3
> 4
> 5
>
> Thanks in advance for your response.
> Nicolas.

thats typical for all hash tables. A good hash function will randomly
distribute the keys in the table and so will almost never be in the
order you add them

If you want order, use a list but not a dict or a hash

jamei