/// <summary>
/// Will create a new ScalarPreference preference if is does not exist, otherwise it will return the cached.
/// </summary>
/// <param name="name">The name of the preference</param>
/// <param name="value">The default value of the preference</param>
/// <typeparam name="T">The type of the preference value</typeparam>
/// <returns>The preference, never null</returns>
public ScalarPreference <T> Preference <T>(string name, T value = default)
{
if (HasPreferenceCache <T>(name, out var result))
{
return(result);
}
result = new ScalarPreference <T>(provider, name, value);
derivations[name] = result;
return(result);
}
private bool HasPreferenceCache <T>(string name, out ScalarPreference <T> preference)
{
preference = derivations[name] as ScalarPreference <T>;
return(preference != null);
}