--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/interface/Stack.h	Sat Oct 12 15:22:33 2019 +0900
@@ -0,0 +1,17 @@
+typedef struct Stack<Type, Impl>{
+        union Data* stack;
+        union Data* data;
+        union Data* data1;
+        /* Type* stack; */
+        /* Type* data; */
+        /* Type* data1; */
+        __code whenEmpty(...);
+        __code clear(Impl* stack,__code next(...));
+        __code push(Impl* stack,Type* data, __code next(...));
+        __code pop(Impl* stack, __code next(Type* data, ...));
+        __code pop2(Impl* stack, __code next(Type* data, Type* data1, ...));
+        __code isEmpty(Impl* stack, __code next(...), __code whenEmpty(...));
+        __code get(Impl* stack, __code next(Type* data, ...));
+        __code get2(Impl* stack, __code next(Type* data, Type* data1, ...));
+        __code next(...);
+} Stack;