IncrementAt<T>
Increment counter at the key passed as argument. Dictionary is <TKey, Int>
Source
using System.Collections.Generic;
namespace KMorcinek.Common
{
public static class DictionaryExtensions
{
public static void IncrementAt<T>(this Dictionary<T, int> dictionary, T index)
{
int count = 0;
dictionary.TryGetValue(index, out count);
dictionary[index] = ++count;
}
}
}
Example
var animalQuantities = new Dictionary<string, int>();
animalQuantities.IncrementAt("cat");
animalQuantities.IncrementAt("cat");
Console.WriteLine(animalQuantities["cat"]); // 2
Author: Krzysztof Morcinek
Submitted on: 28 okt. 2012
Language: C#
Type: System.Collections.Generic.Dictionary
Views: 5877