//==============================================================================================================================
// Helper for the GetCustomAttribute() family.
//==============================================================================================================================
private static Attribute OneOrNull(IEnumerable <CustomAttributeData> results)
{
IEnumerator <CustomAttributeData> enumerator = results.GetEnumerator();
if (!enumerator.MoveNext())
{
return(null);
}
CustomAttributeData result = enumerator.Current;
if (enumerator.MoveNext())
{
throw new AmbiguousMatchException();
}
return(result.Instantiate());
}
public static T UnprojectAndInstantiate <T>(this CustomAttributeData cad) where T : Attribute
{
CustomAttributeData runtimeCad = cad.ProjectBackToRuntime();
return(runtimeCad.Instantiate <T>());
}