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Code/Tools/CryCommonTools/STLHelpers.h

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+// Original file Copyright Crytek GMBH or its affiliates, used under license.
+
+#ifndef CRYINCLUDE_CRYCOMMONTOOLS_STLHELPERS_H
+#define CRYINCLUDE_CRYCOMMONTOOLS_STLHELPERS_H
+#pragma once
+
+
+#include <functional>
+
+namespace STLHelpers
+{
+    template <class Type>
+    inline const char* constchar_cast(const Type& type)
+    {
+        return type;
+    }
+
+    template <>
+    inline const char* constchar_cast(const std::string& type)
+    {
+        return type.c_str();
+    }
+
+    template <class Type>
+    struct less_strcmp
+    {
+        bool operator()(const Type& left, const Type& right) const
+        {
+            return strcmp(constchar_cast(left), constchar_cast(right)) < 0;
+        }
+    };
+
+    template <class Type>
+    struct less_stricmp
+    {
+        bool operator()(const Type& left, const Type& right) const
+        {
+            return _stricmp(constchar_cast(left), constchar_cast(right)) < 0;
+        }
+    };
+}
+
+#endif // CRYINCLUDE_CRYCOMMONTOOLS_STLHELPERS_H