in src/Utility/FunctionReturnValueBuilder.cs [13:20]
public static object CreateReturnValueFromFunctionOutput(IList<object> pipelineItems)
{
if (pipelineItems == null || pipelineItems.Count <= 0)
{
return null;
}
return pipelineItems.Count == 1 ? pipelineItems[0] : pipelineItems.ToArray();
}