public static EmptyEnumerable <TItemOut> EmptySelectMany_Impl <TItem, TItemOut>(ref EmptyEnumerable <TItem> source, Delegate selector)
{
if (source.IsDefaultValue())
{
throw CommonImplementation.Uninitialized(nameof(source));
}
if (selector == null)
{
throw CommonImplementation.ArgumentNull(nameof(selector));
}
return(EmptyCache <TItemOut> .Empty);
}
internal static EmptyEnumerable <TOutItem> EmptyZipBridge_Impl <TItem, TOutItem, TSecondItemOut, TBridgeEnumerable>(ref EmptyEnumerable <TItem> first, TBridgeEnumerable second, Delegate resultSelector)
where TBridgeEnumerable : class, IEnumerable <TSecondItemOut>
{
if (first.IsDefaultValue())
{
throw CommonImplementation.Uninitialized(nameof(first));
}
if (second == null)
{
throw CommonImplementation.Uninitialized(nameof(second));
}
if (resultSelector == null)
{
throw CommonImplementation.ArgumentNull(nameof(resultSelector));
}
return(EmptyCache <TOutItem> .Empty);
}
internal static EmptyEnumerable <TOutItem> EmptyZip_Impl <TItem, TOutItem, TSecondItemOut, TSecondEnumerable, TSecondEnumerator>(ref EmptyEnumerable <TItem> first, ref TSecondEnumerable second, Delegate resultSelector)
where TSecondEnumerable : struct, IStructEnumerable <TSecondItemOut, TSecondEnumerator>
where TSecondEnumerator : struct, IStructEnumerator <TSecondItemOut>
{
if (first.IsDefaultValue())
{
throw CommonImplementation.Uninitialized(nameof(first));
}
if (second.IsDefaultValue())
{
throw CommonImplementation.Uninitialized(nameof(second));
}
if (resultSelector == null)
{
throw CommonImplementation.ArgumentNull(nameof(resultSelector));
}
return(EmptyCache <TOutItem> .Empty);
}