Enabled `Concatenate` to concatenate a variadic pack of lists

* analogously to arbitrary list count concatenation in Scheme's `append`
** implemented for `Concatenate` instead as it fits better with the structure between `Append` and `Concatenate`

1 files changed, 3 insertions, 5 deletions

diff --git a/src/list/operation/higher/sort.h b/src/list/operation/higher/sort.h
index 925ab89..51317fa 100644
--- a/src/list/operation/higher/sort.h
+++ b/src/list/operation/higher/sort.h
@@ -29,11 +29,9 @@ class quick_sort {
 
 	public:
 		using type = Concatenate<
-			List<
-				Eval<quick_sort<Comparator, lhs>>,
-				List<pivot>,
-				Eval<quick_sort<Comparator, rhs>>
-			>
+			Eval<quick_sort<Comparator, lhs>>,
+			List<pivot>,
+			Eval<quick_sort<Comparator, rhs>>
 		>;
 };