ceph/src/crimson/common/utility.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:nil -*-
   2 // vim: ts=8 sw=2 smarttab expandtab
   3
   4 #pragma once
   5
   6 #include <type_traits>
   7
   8 namespace _impl {
   9   template <class T> struct always_false : std::false_type {};
  10 };
  11
  12 template <class T>
  13 void assert_moveable(T& t) {
  14     // It's fine
  15 }
  16 template <class T>
  17 void assert_moveable(const T& t) {
  18     static_assert(_impl::always_false<T>::value, "unable to move-out from T");
  19 }
  20