Question
i search for a good solution for mapping data in c#.
At first i have a Character "a" and a angle "0.0" degree.
What is the best solution for the Mapping ? A list ?
One requirement is that i must search for the degree if it not in the "list" then i add a new one.. and so on
thanks for help :)
EDIT: I must find out if the angle exists ! If the angle not exists then add a new char
Solution
Dictionary< double,char>
Example:
Dictionary< double, char> dic = new Dictionary< double, char>();
//Adding a new item
void AddItem(char c, double angle)
{
if (!dic.ContainsKey(angle))
dic.Add(angle,c);
}
//Retreiving an item
char GetItem(double angle)
{
char c;
if (!dic.TryGetValue(angle, out c))
return '';
else
return c;
}
OTHER TIPS
Use dictionary.
var d =new Dictionary<string,double> ()`
Dictionary should be fine:
Dictionary<string, float> dict = new Dictionary<string, float>();
dict.Add("a", 0.0);
float angle = dict["a"]
if( !dict.Contains("b"))
{
dict["b"] = 1.0;
}
Maybe a SortedDictionary
.?
private SortedDictionary<string, double> _myStuff;
...
if (!_myStuff.ContainsValue(0))
...
Hashtable looks to be the thing you are looking for. Make the degree as the Hashkey and you can search it later quite easily.
Hashtable ht = new Hashtable(); if (!ht.ContainsKey(angle)) ht.Add(key, value);
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