Implemented `Cond` conditional

* returns the `CDR` of the first true `CAR` in a given list of pairs
* reimplemented `Apply` base class selection in terms of `Cond`

1 files changed, 8 insertions, 0 deletions

diff --git a/src/function/detail/apply.h b/src/function/detail/apply.h
index bf60be1..d9f058a 100644
--- a/src/function/detail/apply.h
+++ b/src/function/detail/apply.h
@@ -46,6 +46,14 @@ template <
 	template<typename...> class Function,
 	typename...                 Arguments
 >
+struct apply_none {
+	using type = Function<Arguments...>;
+};
+
+template <
+	template<typename...> class Function,
+	typename...                 Arguments
+>
 struct apply_variadic {
 	template <typename... Partials>
 	using type = Function<