intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 44 insertions, 0 deletions

diff --git a/util/generic/map.h b/util/generic/map.h
new file mode 100644
index 0000000000..b5001b56c0
--- /dev/null
+++ b/util/generic/map.h
@@ -0,0 +1,44 @@
+#pragma once
+
+#include "fwd.h"
+#include "mapfindptr.h"
+
+#include <util/str_stl.h>
+#include <util/memory/alloc.h>
+
+#include <utility>
+#include <initializer_list>
+#include <map>
+#include <memory>
+
+template <class K, class V, class Less, class A>
+class TMap: public std::map<K, V, Less, TReboundAllocator<A, std::pair<const K, V>>>, public TMapOps<TMap<K, V, Less, A>> {
+    using TBase = std::map<K, V, Less, TReboundAllocator<A, std::pair<const K, V>>>;
+
+public:
+    using TBase::TBase;
+
+    inline explicit operator bool() const noexcept {
+        return !this->empty();
+    }
+
+    inline bool contains(const K& key) const {
+        return this->find(key) != this->end();
+    }
+};
+
+template <class K, class V, class Less, class A>
+class TMultiMap: public std::multimap<K, V, Less, TReboundAllocator<A, std::pair<const K, V>>> {
+    using TBase = std::multimap<K, V, Less, TReboundAllocator<A, std::pair<const K, V>>>;
+
+public:
+    using TBase::TBase;
+
+    inline explicit operator bool() const noexcept {
+        return !this->empty();
+    }
+
+    inline bool contains(const K& key) const {
+        return this->find(key) != this->end();
+    }
+};