Revamped to use `Cons` as a function and `Pair` as its result

* this is analogous to _Scheme_ where a pair (dot-expression) is returned from a call to `cons`
* `Head` and `Tail` are kept as direct references to the `CAR` and `CDR` values of a pair to match e.g. the math operators

1 files changed, 2 insertions, 2 deletions

diff --git a/src/list/operation/append.h b/src/list/operation/append.h
index 9e1be79..6cf15f0 100644
--- a/src/list/operation/append.h
+++ b/src/list/operation/append.h
@@ -8,13 +8,13 @@ template <
 	typename Secondary
 >
 struct Append {
-	typedef Cons<
+	typedef typename Cons<
 		Head<Primary>,
 		typename Append<
 			Tail<Primary>,
 			Secondary
 		>::type
-	> type;
+	>::type type;
 };
 
 template <typename Secondary>