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+/*
+ * Copyright (c) 2018-2020 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_MISC_CRTP_H
+#define ARM_COMPUTE_MISC_CRTP_H
+
+namespace arm_compute
+{
+namespace misc
+{
+/** Curiously recurring template pattern Interface */
+template <typename T, template <typename> class Type>
+struct CRTP
+{
+public:
+ /** Exact type */
+ using ExactType = T;
+
+protected:
+ const T &impl() const
+ {
+ return static_cast<const T &>(*this);
+ }
+ T &impl()
+ {
+ return static_cast<T &>(*this);
+ }
+
+private:
+ CRTP() = default;
+ friend Type<T>;
+};
+} // namespace misc
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_MISC_CRTP_H */