src/cpp-common/bt2c/call.hpp

   1 /*
   2  * Copyright (c) 2023 Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * SPDX-License-Identifier: MIT
   5  */
   6
   7 #ifndef BABELTRACE_CPP_COMMON_BT2C_CALL_HPP
   8 #define BABELTRACE_CPP_COMMON_BT2C_CALL_HPP
   9
  10 #include <functional>
  11 #include <utility>
  12
  13 namespace bt2c {
  14
  15 /*
  16  * Partial implementation of INVOKE.
  17  *
  18  * As found in
  19  * <https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0312r1.html>.
  20  */
  21 template <typename FuncT, typename... ArgTs>
  22 auto call(FuncT func, ArgTs&&...args) -> decltype(std::ref(func)(std::forward<ArgTs>(args)...))
  23 {
  24     return std::ref(func)(std::forward<ArgTs>(args)...);
  25 }
  26
  27 } /* namespace bt2c */
  28
  29 #endif /* BABELTRACE_CPP_COMMON_BT2C_CALL_HPP */