1 files changed, 5 insertions, 0 deletions
diff --git a/euler/include/std/list.hpp b/euler/include/std/list.hpp
index c0d6e21..030eccc 100644
--- a/euler/include/std/list.hpp
+++ b/euler/include/std/list.hpp
@@ -155,6 +155,11 @@ namespace std {
       return *this;
     }
 
+          T &back()       { return last_node->value; }
+    const T &back() const { return last_node->value; }
+
+    size_t size() const noexcept { return count; }
+
   };
 
 }