src/common/meta-helpers.hpp

   1 /*
   2  * Copyright (C) 2024 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_META_HELPERS_HPP
   9 #define LTTNG_META_HELPERS_HPP
  10
  11 #include <memory>
  12
  13 /*
  14  * Collection of meta-programming helpers.
  15  *
  16  * @see type-traits.hpp
  17  */
  18 namespace lttng {
  19 namespace memory {
  20 template <typename WrappedType, void (*DeleterFunction)(WrappedType *)>
  21 struct create_deleter_class {
  22         struct deleter {
  23                 void operator()(WrappedType *instance) const
  24                 {
  25                         DeleterFunction(instance);
  26                 }
  27         };
  28
  29         std::unique_ptr<WrappedType, deleter> operator()(WrappedType *instance) const
  30         {
  31                 return std::unique_ptr<WrappedType, deleter>(instance);
  32         }
  33 };
  34 } /* namespace memory */
  35 } /* namespace lttng */
  36
  37 #endif /* LTTNG_META_HELPERS_HPP */