internal static FluentDictionary <TKey, TValue> AddOrUpdate <TKey, TValue>(this FluentDictionary <TKey, TValue> dictionary, TKey key, TValue value, Predicate <TValue> predicate = null)
{
if (predicate?.Invoke(value) ?? true)
{
if (dictionary.ContainsKey(key))
{
dictionary[key] = value;
}
dictionary.Add(key, value);
}
return(dictionary);
}
public void GenericTools_Collections_FluentDictionary()
{
var dict = new FluentDictionary <string, int>()
.Add("Key1", 1)
.Add("Key2", 2)
.Add("Key3", 3)
.Remove("Key3");
MakeSure.That(dict.Count).Is(2);
MakeSure.That(dict.ContainsKey("Key2")).Is(true);
MakeSure.That(dict["Key1"]).Is(1);
MakeSure.That(dict.Keys.Count).Is(2);
MakeSure.That(dict.Values.Count).Is(2);
dict.Clear();
MakeSure.That(dict.Count).Is(0);
}
protected virtual bool CanContribute(KeyValuePair <string, T> setting, FluentDictionary <string, T> existing)
{
return(!existing.ContainsKey(setting.Key));
}