--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/paper/src/singleContext.h	Tue Feb 02 14:17:05 2021 +0900
@@ -0,0 +1,24 @@
+union Data {
+   /* 略 */
+    // Queue Interface
+    struct Queue {
+        union Data* queue;
+        union Data* data;
+        enum Code whenEmpty;
+        enum Code clear;
+        enum Code put;
+        enum Code take;
+        enum Code isEmpty;
+        enum Code next;
+    } Queue;
+    struct SingleLinkedQueue {
+        struct Element* top;
+        struct Element* last;
+    } SingleLinkedQueue;
+    struct SynchronizedQueue {
+        struct Element* top;
+        struct Element* last;
+        struct Atomic* atomic;
+    } SynchronizedQueue;
+   /* 略 */
+};