public static bool TryRemoveFirst <TKey, TValueList, TValue>(IDictionary <TKey, TValueList> listDictionary, TKey key, out TValue value)
where TValueList : IList <TValue>
{
TValueList list;
if (!listDictionary.TryGetValue(key, out list))
{
return(Returns.False(out value));
}
var count = list.Count;
if (count > 0)
{
value = list[0];
list.RemoveAt(0);
if (--count == 0)
{
listDictionary.Remove(key);
}
return(true);
}
else
{
listDictionary.Remove(key); // Error?
return(Returns.False(out value));
}
}
public static bool TryGetValue <TKey, TValue>(this IDictionary <TKey, List <TValue> > listDictionary, TKey key, int index, out TValue value)
{
List <TValue> list;
if (!listDictionary.TryGetValue(key, out list))
{
return(Returns.False(out value));
}
if (index < 0 || index >= list.Count)
{
return(Returns.False(out value));
}
value = list[index];
return(true);
}
