public static V AppdGetOrCreate <V>(this String key, Func <String, V> factory)
{
if (key.AppdContains())
{
return(key.AppdGet <V>());
}
else
{
var created = factory(key);
key.AppdSet(created);
return(created);
}
}
public static V AppdGetOrDefault <V>(this String key, Func <String, V> factory)
{
return(key.AppdContains() ? key.AppdGet <V>() : factory(key));
}