CSharpHttpServer/SimpleHttpServer/Types/MultiKeyDictionary.cs

23 lines
710 B
C#

using System.Diagnostics.CodeAnalysis;
namespace SimpleHttpServer.Types;
internal class MultiKeyDictionary<K1, K2, V> where K1 : notnull where K2 : notnull {
internal readonly Dictionary<K1, Dictionary<K2, V>> backingDict = new();
public MultiKeyDictionary() { }
public void Add(K1 k1, K2 k2, V value) {
if (!backingDict.TryGetValue(k1, out var d2))
d2 = new();
d2.Add(k2, value);
backingDict[k1] = d2;
}
public bool TryGetValue(K1 k1, K2 k2, [MaybeNullWhen(false)] out V value) {
if (backingDict.TryGetValue(k1, out var d2) && d2.TryGetValue(k2, out value))
return true;
value = default;
return false;
}
}