diff --git a/src/linked-list.cpp b/src/linked-list.cpp
new file mode 100644
index 0000000..d15a6ae
--- /dev/null
+++ b/src/linked-list.cpp
@@ -0,0 +1,16 @@
+#include "linked-list.hpp"
+
+template <typename T> int insertNode(LinkedList<T> *list, T data) {
+  LinkedList<T> *node = new LinkedList<T>;
+
+  node->data = data;
+
+  if (list == nullptr) {
+    node->next = list;
+    list = node;
+  } else {
+    list->next = node;
+  }
+
+  return 0;
+}
diff --git a/src/linked-list.hpp b/src/linked-list.hpp
new file mode 100644
index 0000000..4586745
--- /dev/null
+++ b/src/linked-list.hpp
@@ -0,0 +1,8 @@
+template <typename T>
+struct LinkedList {
+  T data;
+  struct LinkedList* next;
+};
+
+template<typename T>
+int insertNode(LinkedList<T> *, T);