1 files changed, 21 insertions, 0 deletions
diff --git a/src/list/operation/basic.h b/src/list/operation/basic.h
new file mode 100644
index 0000000..1e05a50
--- /dev/null
+++ b/src/list/operation/basic.h
@@ -0,0 +1,21 @@
+#ifndef TYPEASVALUE_SRC_LIST_OPERATION_BASIC_H_
+#define TYPEASVALUE_SRC_LIST_OPERATION_BASIC_H_
+
+namespace tav {
+
+template <typename Cons>
+struct Length {
+	typedef Add<
+		Size<1>,
+		typename Length<Tail<Cons>
+	>::type> type;
+};
+
+template <>
+struct Length<void> {
+	typedef Size<0> type;
+};
+
+}
+
+#endif  // TYPEASVALUE_SRC_LIST_OPERATION_BASIC_H_