Add EMPLACE support for priority queue

m-prioqueue.h

@@ -482,7 +482,26 @@
   {                                                                           \
     return M_C(name, _array_in_serial)(p->array, f);                          \
   }                                                                           \
-  ,/* No in_SERIAL */)
+  ,/* No in_SERIAL */)                                                        \
+                                                                              \
+  M_EMPLACE_QUEUE_DEF(name, prioqueue_t, M_C(name, _emplace), oplist, M_PR1OQUEUE_EMPLACE_DEF)
+
+
+/* Definition of the emplace_back function for priority queue
+   Nothing particular to note: we go through the slow path.
+ */
+#define M_PR1OQUEUE_EMPLACE_DEF(name, name_t, function_name, oplist, init_func, exp_emplace_type) \
+  static inline void                                                          \
+  function_name(name_t v                                                      \
+                M_EMPLACE_LIST_TYPE_VAR(a, exp_emplace_type) )                \
+  {                                                                           \
+    M_C(name, _subtype_ct) data;                                              \
+    /* Need to construct the object BEFORE,                                   \
+       so that we can perform comparison on it when inserting it */           \
+    M_EMPLACE_CALL_FUNC(a, init_func, oplist, data, exp_emplace_type);        \
+    M_C(name, _push)(v, data);                                                \
+    M_CALL_CLEAR(oplist, data);                                               \
+  }
 
 // TODO: set all & remove all function