intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 58 insertions, 0 deletions

diff --git a/util/generic/queue.h b/util/generic/queue.h
new file mode 100644
index 00000000000..f5959f68f28
--- /dev/null
+++ b/util/generic/queue.h
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "fwd.h"
+#include "deque.h"
+#include "vector.h"
+#include "utility.h"
+
+#include <util/str_stl.h>
+
+#include <queue>
+
+template <class T, class S>
+class TQueue: public std::queue<T, S> {
+    using TBase = std::queue<T, S>;
+
+public:
+    using TBase::TBase;
+
+    inline explicit operator bool() const noexcept {
+        return !this->empty();
+    }
+
+    inline void clear() {
+        this->c.clear();
+    }
+
+    inline S& Container() {
+        return this->c;
+    }
+
+    inline const S& Container() const {
+        return this->c;
+    }
+};
+
+template <class T, class S, class C>
+class TPriorityQueue: public std::priority_queue<T, S, C> {
+    using TBase = std::priority_queue<T, S, C>;
+
+public:
+    using TBase::TBase;
+
+    inline explicit operator bool() const noexcept {
+        return !this->empty();
+    }
+
+    inline void clear() {
+        this->c.clear();
+    }
+
+    inline S& Container() {
+        return this->c;
+    }
+
+    inline const S& Container() const {
+        return this->c;
+    }
+};